china

Jensen Huang managed to convince Trump to sell his H200 chips in China. Now China doesn’t want to buy them

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When something gets into Jensen Huang’s head, he goes after it and often succeeds. This is what happened in July of this year when managed to convince Trump to let him sell his H20 chip in China. History has just repeated itself and has managed to the president lifts the veto on H200 chips (although keeping a part). The problem is China, which does not see it very clearly. what has happened. China is preparing restrictions aimed at limiting access to NVIDIA’s H200 chips, according to Financial Times. If these restrictions end up being implemented, it will mean that the chips will not be available to any company that wants to buy them; They will first go through a pre-approval process, which includes explaining why chips from domestic companies do not meet their needs. In addition, there is another fact that adds up: for the first time, China has put national chips from companies like Huawei and Cambricon in its official procurement list. This list is a kind of purchasing guide for public institutions and large state groups that move billions a year in contracts. Why is it important. It is further proof that the Chinese government’s priority is not to depend on American technology for the development of its AI. Their bet is to favor the use of national chips even though they are not technologically at the level of NVIDIA chips. It’s not the same. China has already responded with distrust when NVIDIA obtained permission to sell H20 chips months ago and it seems that now they want to follow the same path, but there is a big difference: the H20 chips were the most basic, the H200 GPUs are much more advanced and represent a greater technological advantage, especially in more demanding tasks such as training large language models. What Chinese companies say. According to South China Morning PostAI companies in China such as ByteDance, Alibaba or Tencent continue to prefer to use H200s because they are much more powerful than the national alternatives offered by Huawei or Cambricon. Additionally, much of these companies’ code is based on NVIDIA’s Hopper microarchitecture, allowing them to use the chips without having to rewrite the code. On the other hand, developers who do not need maximum performance are wary of using American chips given the instability of the situation. The energy. NVIDIA’s CEO has been around for a while pressing for the US to lift these restrictions. Their pitch is that if China does not have access to NVIDIA chips, then they will improve their domestic chips and win the AI ​​race, but there is more. He has also warned that China has a huge energy advantagelargely thanks to government subsidies. He has already managed to convince Trump to sell chips and now the most difficult thing remains. Image | Wikipedia In Xataka | China is very clear about what it must do to win the chip war against the US: resort to its technological geniuses

Renfe needs new AVE and is already pressing for China to be its supplier

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That relations between China and the European Union are complex does not surprise anyone. That Spain is becoming one of the countries that is pushing the most to get closer to the Chinese State is another obvious fact. And our country has long been playing a complex game of balance in which it tries to keep all trade doors open with the Asian country while remaining within the rules set by the European Union. The evidence is there for anyone to see. The Ministry of Defense itself publish an article on your website in which he promotes the Spanish position as mediator between the European Union and China. The Government of Pedro Sánchez already tried to maintain balance during the April crossover game in the trade war between the United States and the Asian country. Months before, investments on Spanish soil were unlocked, like the CATL factory mounted together with Stellantis in Aragon, while was punished to the countries that were in favor of lifting tariffs against Chinese electric cars. Now it is the trains that are in the spotlight. Spain is looking for new high-speed vehicles. Renfe wants renew your fleet and it is confirmed that in the coming months it will launch a tender to which those companies that want to win the contract will have to attend. And meanwhile, Óscar Puente, Minister of Transportation, is surveying the different companies to get an idea of ​​the deadlines they manage. A round of interviews in which a manufacturer stands out. It’s Chinese, it has the fastest trains and they deliver them before anyone else. Puente has already made it clear. The question is what Europe thinks of all this. The best but with doubts “Chinese manufacturers deliver trains at half the price in a period of six months to two years, while the European industry offers them to you in 60 months. I am a politician, the one who buys, and I’m not 60 months old. I have discussed this problem with the European industry and with the EU Commissioner, and I believe that in the railway sector things should change and move towards the Airbus model, with which the aeronautical industry was saved.” With these words, Óscar Puente made it clear who he would entrust the purchase of Chinese trains to if it were only in his power. The person he is talking about is China Railway Rolling Stock Corporation (CRRC). Their trains are the ones that are currently operating in the Asian country at 450 km/h (the infrastructure would have to be adapted so that in Spain they comfortably exceed 300 km/h) and according to Puente they can deliver them in much less time than those offered by European companies or Hitachi (Japanese). The words were spoken by Puente in an interview in the Chain Beingwith words collected by The Countrywhere it is noted that the Minister of Transport also has visited the German facilities from Siemens, another of the companies that could opt for the next big contract being prepared in our country. Siemens’ flagship train, the Velaro Novo, can also reach speeds of around 400 km/h top speed but the company has yet to demonstrate its ability to mass produce them. In Trenvista They analyzed the three vehicles that may be on the table, including an option with second-hand trains. Among the other competitors Featured is Hitachi. The Japanese company produces its trains in Italy. We are talking about the ETR-1000 or Freccisarossa, the same train that Iryo uses in Spain and which is underused in terms of top speed because the Spanish infrastructure does not allow it to reach the more than 350km/h for those that are approved. Alstom and CAF are also among the companies surveyed for transport. Companies that would be ahead of Talgo with whom the Government maintains an open conflict due to the delay in the delivery of trains and the breakdowns occurred on the Madrid-Barcelona line with cracks that They have taken AVLOs out of circulation on that line. All of them will be companies that will fight for a contract that is expected to reach around 27 million euros per unit purchased, according to 20 Minutes. In order to pay that money, Spain would go to European Investment Bank (EIB) to finance yourself at the best price. That would be one of the biggest complications for the Chinese manufacturer. CRRC is in the crosshairs of the European Commission which accuses the company of receiving huge state subsidies that allow them to put their trains on the market at a much more competitive price than that of European manufacturers. It is, therefore, a very similar case to what happens with the automobile market. The first conflict arose as a result of the intention of the Government of Bulgaria to acquire Chinese trains through a contract of more than 600 million euros. It included the delivery of 20 vehicles and their maintenance for 15 years. With the opening of the investigation, the manufacturer withdrew from the competition and finally the European Commission shelved the matter. Now it is Spain that is pressing to either acquire trains from this manufacturer or put the “Airbus model” on the table for the railway sector, with the aim of improving the competitiveness of the European Union in this market. Photo | Alejandro Luengo and Xataka In Xataka | The countries with the most kilometers of high-speed train, displayed in a graph with a brutal dominator: China

BYD CEO is clear about why the company is losing steam in China

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Wang Chuanfu, president and CEO of BYD, has publicly acknowledged for the first time the reason behind the company’s sales decline in the Chinese market. During an extraordinary shareholders meeting held on December 5 in Shenzhen, the CEO bluntly admitted that the manufacturer has lost the technological advantage that differentiated it from the competition. According to local media, Wang said that they had lost that ‘wow factor’ in the domestic market, in reference to the impact that their innovations previously generated. The underlying problem. The local media China Securities Journal collected the statements of the head of BYD, who stated that the drop responds to two main factors. On the one hand, he admits that BYD’s technological advantage is no longer as pronounced as in previous years, which has reduced the surprise effect of its products in the market. On the other hand, the CEO acknowledged that unresolved practical problems persist, such as the slow charging speed of its vehicles in low temperature environments, a critical aspect for users in certain regions of China. The numbers confirm the trend. In November 2025, BYD sold 480,186 new energy vehiclesthe highest monthly figure of the year, but which represented a decrease of 5.25% compared to the same month in 2024. It is the third consecutive month of year-on-year decline. Domestic sales were particularly weak, at 348,300 units, a drop of 26.81% year-on-year. In contrast, exports exceeded 100,000 units per month for the first time, reaching 131,700an increase of 297% that has become the company’s main growth engine. We have already seen how they have broken into Europe. For BYD and the rest of the Chinese manufacturers, it is important to continue consolidating their foreign business for two main reasons: to continue feeding their factories and to increase their profit margins in the face of a China that seems to live in a constant price war. The competition tightens. Chinese manufacturers such as Geely, Changan and Chery They have intensified their offensive with efficient hybrid and more affordable electric models, eroding their market share. Furthermore, the homogenization of products in the industry has made it difficult for BYD to stand out like before. In September 2025, SAIC Motor even temporarily surpassed BYD in monthly sales, according to they counted from CarNewsChina. BYD’s response. Wang Chuanfu hinted that the company is preparing “heavy technologies” that will be announced soon, although it did not offer details. The CEO stressed that BYD’s strength lies in its team of approximately 120,000 engineers, who will be key to regaining technological leadership. The company plans to intensify its investment in electrification and smart technologies over the next two to three years. Self-criticism included. Wang also made an exercise in self-criticism by admitting that favorable market conditions in previous years generated a certain complacency in the areas of marketing and merchandising, as they point out from CnEVPost. And now what. BYD revised its global sales target for 2025 downward, from 5.5 million vehicles to approximately 4.6 million. Between January and November, the company accumulated 4,182 million units soldwhich represents 90.9% of the adjusted objective and a growth of 11.3% year-on-year. Figures that contrast with the spectacular expansion rates of previous years: 218% in 2021, 209% in 2022, 62% in 2023 and 41% in 2024. Stella Li, its vice president, already warned us during the Xataka Awards gala We will soon have very interesting news from the manufacturer. So we can only wait to see what the firm’s strategy will be to alleviate the effect of competition. In Xataka | The world’s rare earth reserves, laid out in this graph showing the brutal dominance of a single country

That the US authorizes Nvidia’s H200 to reach China is not a concession, but a plan. They prefer money to competition

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The chip war between China and the US has mutated from a blockade to a commercial transaction. Donald Trump has announced that he will allow Nvidia export its high-performance H200 chips to China. The authorization carries an unprecedented condition: the US government will receive a 25% commission about these sales. This “reverse tariff” transforms China containment into a source of income, breaking with the strategy of total suffocation and offering a lifeline to Nvidia in its most critical market. End of free blocking. The decision is a direct result of a meeting last week between Trump and Jensen Huang, CEO of Nvidia. The White House’s logic has changed: it argues that this measure is carried out under strict national security conditions, extending the model to competitors such as Intel and AMD. It is a movement that formalizes what was already intuited a few months ago, when Nvidia managed, after a first meeting with Trump, lift veto on bottom H20 chip. At that time, a precedent was already established of transferring 15% of income to the country, a figure that now scales to 25% for the most powerful hardware. Tap on the image to go to the original post A dose for China. That they chose this chip is no coincidence: the H200 is significantly more powerful than the H20—the trimmed model that China had started to boycott— but it is still behind the cutting-edge Blackwell architecturewhich is still banned. According to advisors such as David Sacks, the North American country seeks to keep China addicted to its technology: if they are denied all access, they are forced to look for alternatives of their own. In fact, Huawei has already admitted that it will take two years to match the performance of the H200, making this chip the perfect tool to slow down Chinese development while monetizing its need. Cracks and black market. The reality is that the total blockade was failing. Recent investigations showed how Chinese companies used shortcuts through Indonesia to access the power of banned chips. Furthermore, the second-hand market had become the main avenue for China get H100 and A100 GPUs off the radar. By allowing the sale of the H200, the US is trying to regain control over a flow that already existed, but in the shadows. At the same time, the Department of Justice announced “Operation Gatekeeper” to dismantle smuggling networks in countries like Hong Kong. China’s response. The great unknown is precisely this, the reception of the news in Beijing. Although Trump claims that Xi responded “positively,” the reality on the ground seems different. China has been for months banning your local businesses buy Nvidia chips to promote its domestic industry. The CAC (Cyberspace Administration of China) came to investigate the H20 looking for rear doorssomething that generated a climate of mistrust that not even the previous July agreement managed to completely dissipate. Jensen Huang, who warned about the danger of an “AI silk road” If the US continued to block sales, with this pact it gets a golden opportunity to not lose a market that represents 13% of its income, although its Chinese clients must now pay the price of American geopolitics. Cover image | Composition with images from Nvidia and RawPixel In Xataka | China has just redrawn the map of strategic minerals: its new rules on rare earths target the United States

The bridge with the largest steel span has completed its most difficult challenge. And it’s in China, of course.

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There is not a month that does not release one mega constructionand in that area, China leads with an iron fist. Both due to the magnitude of his works, the technique used or the land they save with the structurethe Asian giant has become an example of perseverance when it comes to creating, above all, infrastructure that connects all its regions. After the highest bridge in the world, in the province of Chongqing, they are involved with another record-breaking bridge. One with the largest steel span in the world. Fenglai Daxi River Grand Bridge. As is often the case with these works, something that stands out as much as its magnitude is the construction time. In just three years, they have up a bridge in an extremely complex area. It clears two cliffs and the causeway will be 310 meters above the water surface. But more than because of the terrain, if it is news for something, it is because of the opening, that space between two columns. The total length of the bridge will be 1,136 meters when it is finished and the span is almost half of it: 580 meters that are suspended leaning on an arch-shaped structure made of steel. The height The arch in its central part is 116 meters and both the photos and videos show the complex lattice-type structure. Precision. More than a whim, it is necessary if you want to bridge that distance while looking for a bridge that can withstand both the weight and the possible tremors that are frequent in the region. To build the structure, engineers turned to BIM methodology (either Building Information Modeling) that simulates by computer all the processes of both the construction of the structure and its future maintenance. This is common, but essential in this lattice structure where many embedded components require an accuracy of less than a millimeter of deviation. On November 28, the team complete the union of each of the pieces weighing more than 300 tons that form that great puzzle of the lattice span, and now it remains to create the road that will consolidate the union between regions. Necessary. Because the Fenglai Daxi River Grand Bridge is not simply a feat of engineering: it is a catalyst for something China is aggressively pursuing. The country wants to carry out an economic and social transformation of the most challenging regions of its geography, and the Chongqing region falls into those plans as it has a large number of mountain ranges that have traditionally challenged communication with large centers. When completed, the bridge will be part of the Wu-Liang Expressway that will link the urban center of Chongqing with the Wulong district in approximately one hour, when with the current detour it takes approximately three hours, having to do a mountain route. And it is just one piece of a much more ambitious plan, which includes 52 construction projects, more than 1,200 kilometers of highways and a total investment of 155 billion yuan, about 19 billion euros. Megathings = tourism. Thus, the bridge will seek to become an element that will facilitate the flow of goods between the regions, but also of people with the objective of promoting tourism. Currently, in Wulong About 350,000 people live there and it has traditionally been a poor area due to the soil not being the best for farming and its natural isolation. However, since 1994, tourism has transformed it, especially since the Karst Geology National Park out including on the UNESCO World Heritage list in 2007. Now, Wulong aspire to become a global tourist destination, and this improvement in infrastructure seems key to achieving that goal. Furthermore, it is no longer just that China’s megaconstructions facilitate mobility: The buildings themselves are designed with the aspiration that they become points of interest. An example is Huajiang Grand Canyon Bridgean immense construction 625 meters above the level of the river that is used to cross from one side to the other, but It has a cafeteria and some adventure activities. Another is the Three Gorges Damwhich can not only move the axis of rotation of the Earthbut it also has a museum that documents the construction, an example of how the dam itself works and multiple observation points. Images | Xinhua Sci-Tech In Xataka | Young tourists from China have begun to visit random places en masse. There is an explanation: Xiaohongshu

One of the biggest wine critics is French and has toured China. There is no good news for French wine

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TO Michel Bettane he likes wine. In fact, it is more than a hobby: he has developed a career around it, until it became one of the wine critics most influential in the world. For two decades he worked at ‘La Revue du vin de France’, a prestigious magazine that covers current events in the wine industry, until he decided to become independent and, together with a colleague from the magazine, founded the Betanne and Desseauve Guide. Bettane is one of the most authoritative voices worldwide in terms of wines and one with weight within the sector. He recently completed a tour of China in which has tasted more than 300 premium Chinese wines and its conclusion is as resounding as it is hurtful to French pride. The chinese wines They are superior to many of those found in France. And this guy doesn’t try cheap wines, but rather high-end ones. Chinese wines >> French wines These incendiary statements came after the sixth edition of the Bettane + Desseauve Wine Tasting in China. Held in Beijing and Shangri-La (Yunnan), the critic and five other international wine experts tasted more than 300 premium wines produced in China. Bettane has indicated that China is experimenting an “amazing awakening of the terroir”, and it is something that is not out of place if we take into account the international position of the country’s industry. If just 15 years ago it was a desert, now They are sneaking into the conversation like a power. The strategy of the Chinese industry is not to attack in quantity, but in quality, and for this there are wineries that have studied in the most powerful wine and wine regions in Europe to learn and then apply that knowledge to their field. Taking advantage of the particularities of each of its regions, there are wines that are becoming some of the most sought-after without having a French surname. Bettane stated that what has impressed him most is the technical precision when controlling the grape ripening and fermentation processes. “We found almost no wine with serious defects”he assured, adding that “the overall strength of the production standard is, in fact, higher than what we often find in our annual tastings in France.” It looks like a Scottish castle, but it’s a Chinese winery Above all, he highlighted two wine regions: Ningxia and Yunnan. We have already talked about Ningxia recently in Xatakaa very complicated area in winter for which they have developed a technique that consists of burying the vines so that the snow does not affect them. Those responsible have “copied” Bordeauxand it is something that catches the critic’s attention. The other is Yunnan, one that, he says, left him speechless. Especially for a white wine, a ‘Shangri-La Chardonnay‘ which, for Bettane, “can play in the league of the world’s great whites”. A wine strategy modeled on that of smartphones The interesting thing is something that the critic comments about the change in strategy of the Chinese producers, and it is something similar to what has happened in the technological world, especially with the smartphone industry. At first, as happened with Ningxia producers, they dedicated themselves to “copying” Bordeaux, but now Bettane has seen how are beginning to experiment and discover synergies between the grapes, the land and its climatic conditions instead of simply continuing to imitate the European model. As I say, it is similar to what happens with the mobile phone industry and, specifically, with an Apple with which all Chinese brands are compared at any given time. When Apple presents a new feature for the iPhone, we begin to see a rapid adaptation of Chinese mobile phones to include those features, while adding some new functions. The iPhone dynamic island and his twin in other brandsvisual elements in the operating system or the photo button (which existed long before Apple integrated it, but the influence of the apple brand is what it is) are three examples. For Bettane, the possibilities that China’s vast territory offers when it comes to creating and perfecting grape varieties are “unlimited.” And if you read me from France or are a lover of La Mancha wine and right now your fist is clenched… at least we have the cheese left. That, at the moment, has no Asian rival. Images | WBC, Treaty Port In Xataka | If the question is what is the future of wine, more and more Bordeaux wineries are clear about it: non-alcoholic wine

In 2021, BBC released a video about China causing an earthquake. Now it’s a meme that glorifies Chinese cities

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Trends on social networks are, in many cases, inexplicable. Overnight something goes viral and it’s easy for us to not even know where it came from. In the summer of 2025, chinese networks began what from the West we could see as a simple memeeven nonsense: many videos that show panoramic views of Chinese cities to the rhythm of the mythical BBC intro. This meme spread and is useful for observing some of the most impressive cities in the world from a drone view. There are even users commenting on how some cities, like Chongqing, had undergone a radical transformation in just 20 years. The videos, without a doubt, are impressive and there is a example after other…and after other. But behind the meme there is something much more interesting: an outbreak of international conflict because of… the BBC. BBC News countdown intro style meme continues in China. Below in order is for Guiyang, Nanjing, Jinhua and Jieyang. https://t.co/EKZopt48Pc pic.twitter.com/LhjHVATMKW — JR Urbane Network (@JRUrbaneNetwork) September 1, 2025 The BBC video that angered 1 billion people In February 2021, the world was still reeling from the aftermath of COVID-19. Wuhan, the Chinese city identified as the focus of the global pandemic, was a monitoring point for world news due to the government’s policies to fight the virus. And the BBC published its controversial ‘How everyday life has changed in Wuhan’. It’s this video: Up to this point, we might think that it is just another report, but they published it in duplicate. The one above is the international version, in English. The one I leave you below is the version for China: Have you noticed any difference? Let’s go with some screenshots: International version Chinese version International version Chinese version International version Chinese version International version Chinese version Already we saw it in Xataka back in the day: The international version has a gray filter, while the Chinese version shows more vivid colors. That, without us realizing it, creates a narrative. And those who did notice were some Chinese Internet users and the state media Global Times. Chinese social networks named the filter used in the international version as “underworld filter” or “gloom filter”but the one who gave it the most importance was the aforementioned state tabloid. He accused the BBC of adding greyish filters to its reporting on China to make the country appear dystopian and polluted. It did not stop there: the matter spread like wildfire on networks and the tension escalated to the point that the international broadcast of BBC World News was banned in China that same month. In fact, international spokespersons have on occasion used the hashtag #GloomFilter to criticize Western coverage of China. The BBC defended its editorial independence, rejecting accusations of bias, but both the BBC and Chinese media have since starred cross attacks. A lot has rained since 2021 and, as I pointed out at the beginning of the article, it is now meme stuff. The BBC intro accompanies luminous images of Chinese cities without the “underworld filter.” And it is an example of how something that, at first glance, may be a story without much history, hides much more. And, well, the story of Global Times throwing darts at the BBC did not end in 2021, but has lasted until recently, mentioning that “BBC has become one of the most destructive negative examples in the global media landscape.” But beyond all this, the truth is that the videos are impressive, showing dystopian cities in some cases. Images | BBC In Xataka | China loves Europe so much that it has built its own: these are the replica cities that populate the country

In the search for a supersonic train, China tests a Maglev that will reach 4,000 km/h. The problem will be maintaining it

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China’s conquest of the high-speed train field is impressive. In the 2008 Beijing Olympicsthe country had just 120 kilometers of high speed between Beijing and Tianjin. 17 years latermanage more high-speed kilometers than any other countrya very long distance from Spain or Japan. They are not only building kilometers to unite the entire country: they are developing technologies so that the plane is no longer necessary. As? With Maglev trains at speeds of 1,000 km/h. And a specific model, the T-Flight, which dreams of 4,000 km/h. Maglev + Hyperloop. China is one of the countries, along with Japan, that is investing a lot of money in the development of the magnetic levitation trainsor Maglev. This technology allows trains not to rest their wheels on the rails, but rather to float thanks to a series of powerful magnets and an electromagnetic field. This allows us to exceed the 250 km/h that has been set as a standard for high speed and, for example, China has the fastest Maglev in the worldone that reaches 431 km/h. It is already operational between Beijing and Shanghai, but in Japan is testing one that will exceed 600 km/h. It’s a speed that will seem slow compared to what CASIC is preparing. It stands for “China Aerospace Science and Industry Corporation,” a state-owned tactical missile company that announced the T-Flight project in August 2017. The idea? Combine magnetic levitation trains with Hyperloop-style vacuum tubes. T-Flight. In short, it is putting a Maglev in a vacuum tube, eliminating air pressure and resistance as much as possible, but there is much more. For example, the idea of CASIC is that magnetic levitation is enhanced thanks to superconductors that will raise the train up to 100 mm above the rail. Conventional Maglevs are raised by about 10 mm, and the idea is that the higher the train is, the more stability it will have at extreme speeds. On the other hand, the tube itself, with a system that extracts air from it to create a low pressure environment, reducing aerodynamic resistance to the maximum. This partial vacuum and levitation that eliminates the physical resistance of the wheel and track is what will allow unprecedented speeds to be achieved. Achievements. In 2024 they already achieved one first validated test as a world record by reaching 623 km/h, but in the summer of this year, in a low pressure environment, The train reached 650 km/h in seven seconds in its laboratory. They were strange tests, since the track was a kilometer long when the usual thing is much longer, but that also gives us a clue of what brutal which is both the acceleration and braking of the train. That is, think that, in seven seconds and in just one kilometer, the train accelerated to 650 km/h and stopped. The team’s idea is to reach 800 km/h as the top speed this year, but the ambition goes much further. Ambition. Currently, the team is in Phase 1, which is the one that aims aim that speed of 1,000 km/h. To do this, and to validate the speed in real conditions, they want to extend the test track to 60 kilometers. However, the thing does not stop there and, when the project was born, it was already said that Phase 2 and Phase 3 would have as aim 2,000 km/h (almost double the cruising speed of a traditional commercial airplane) and 4,000 km/hsupersonic speeds that would compete with the fastest planes in the world. This would allow large urban centers in China to be linked in a few minutes, leaving aside the need to take planes to cover long distances. In fact, this high speed is already showing in Europe that short flights do not make sense if we combine the waiting time at the airport with the flight itself and compare it with the comfort of access to the train. A major challenge. Now, the goal will not be easy. Maglev technology works and is proven, but what they want to achieve with this T-Flight not only complicates things because, in addition to a track, a tube must be built. And, of course, maintain it. Extending this partial vacuum over hundreds of kilometers of tube represents an enormous technical challenge because it implies that the joints must be perfectly sealed, without the cold and heat dilating them so that there are no leaks. It is estimated that a 600 km pipe requires an expansion joint every 100 meters, and each one of them represents a potential point of failure. Furthermore, at 300 km/h appreciate vibrations in the seats. Air system to reduce pressure inside the tubes Furthermore, any decompression would be catastrophic and perhaps most importantly: there is no certification standard or safety protocols for something like this. In any case, T-Flight continues to take steps at a good pace and, although it seems difficult to see it working in the short term, if a country can achieve it right now… it is China. Images | Geely In Xataka | After 20 years, the definitive one arrives: Brazil prepares the first high-speed train in South America

China has unveiled its most mysterious vessel to date. And then the theories have begun, some very crazy

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Just two weeks ago China completed that plan for world domination that had staged at the end of summer through a military parade unparalleled. And he did it showing the Type 076 In its first tests, an unprecedented technological leap in the Chinese naval industry as it is an amphibious assault ship with electric propulsion and electromagnetic catapults. It turns out that there was a “one more thing”. Challenging the known. Yes, the appearance of a mysterious black trimaran in what appears to be the Huangpu shipyard has revealed for the first time the complete silhouette of a ship that China had been hiding for months under tarps and that until now was only known by satellite analysis. Its lines combine features typical of a surface ship with unmistakably underwater elements, giving shape to a hybrid design about 64 meters in length, designed to operate both in exposed navigation and in submersible mode, an architecture that radically expands the possibilities of stealth, range and survival against adversary sensors. Theories. They counted the TWZ analysts that the presence of a type propellant pump-jetvisible in the new imagereinforces the impression that acoustic discretion and efficiency have been prioritized during long journeys, while its sail with depth markings, snorkel or mast points to long immersion cycles and a behavior closer to that of a light submarine than to that of a simple unmanned surface vehicle. With or without humans. That has been the big question since the image was made public: the question of whether the ship operates with a crew or if it belongs to the new generation hybrid USV/UUV that China has begun to deploy in recent years. Its design, without a classic superstructure and with a minimal sail, supports the possibility of a vehicle capable of ssubmerge almost completelywhich would place it in an intermediate category between a semi-submersible drone and a small displacement submarine. The presence of draft marks on the sail and other areas of the hull suggests that total immersion is contemplated, and that the ship is somewhat more sophisticated than the semi-submersibles used in surveillance or infiltration operations. If it is confirmed that it is an unmanned system (or with a minimum crew) we would be faced with a notable jump in Chinese naval doctrine, which has been experimenting for years with distributed fleets of autonomous platforms capable of operating far from bases and with less political risk. Render seen in nets of the boat More hypotheses. One of the stronger theories maintains that this trimaran represents the Chinese evolution of the naval arsenal concept: a stealthy, difficult-to-detect, unmanned or reduced-crew vessel loaded with land-attack or anti-ship missiles that could surface, launch its salvo, and disappear again beneath the waves. In times of sensor proliferation, anti-satellite warfare and constant surveillance, such a platform would expand the Chinese navy’s depth of fire without exposing more valuable frigates or destroyers. Although the available image does not show a VLS system that confirms this function, the internal volume of the ship and its profile fit with the unofficial renders that have been circulating for years on a possible semi-submersible prototype capable of hiding its thermal and radar signal. If China were testing this concept, it would try to replicate the logic the United States explored decades ago: a “floating arsenal” that provides fire mass without compromising manned vessels. Unofficial render appeared on networks before the leaked image The drone mothership option. Another interpretation with increasing weight is that of a drone mothershipboth air and sea, an idea that would fit with the tactical revolution seen in the Black Sea, where Ukraine has shown the devastating potential of swarms launched from small platforms. In this case, the interior of the trimaran could house VTOL drones or ramp launchers for long-range loitering munitions similar to the Shahed, expanding China’s ability to saturate defenses or conduct remote attacks without compromising manned aircraft. The absence of a flight deck Conventional does not rule out this function: an internal catapult system or inclined launchers could be adapted without the need for an open hangar. This approach would make the ship a force multiplier within a distributed combat architecture that the PLAN has been cultivating for yearsdrawing inspiration from both the American model and recent lessons from the war in Ukraine. Secret missions. A third possibility is that it is a platform designed for special operationscapable of infiltrating equipment into archipelagos, reefs or highly monitored coastal areas without the acoustic and thermal signal of a conventional submarine. The ability to surface surf long distances and then submerge to conceal aligns with special forces doctrines that privilege silent penetration and discreet exfiltration. Similar vessels have been developed by the United States (like the Sealion) and for other navies operating in densely monitored environments. China, with its growing interest for projecting power in the South China Sea and the Taiwan Straitwould have a clear incentive to test vehicles capable of moving between islets and shallow waters where a standard submarine would be impractical. A test bench. It cannot be ruled out, however, that this trimaran is above all a prototype intended to experiment with technologies that will end up being integrated into other platforms. The recent history of the PLAN is full of test ships and experimental structures used to validate sensors, thrusters, stealth helmets or autonomous systems before scaling up production. Ambiguity is part of the message: by showing a ship of indeterminate purpose, China introduces uncertainty in adversary planning, forcing the United States, Japan and Australia to contemplate a whole collection of potential threats without being able to rule out any. In that sense, the opacity, reinforced by its black paint and the absence of official details, is part of the strategic game. A symptom. Be that as it may, for now there is only one certainty: the discovery of the image It does not dispel the mystery, but rather expands it. The ship represents a deliberate experiment with concepts that are redefining 21st … Read more

China aims to break records with the largest ice park in the world. And he has already begun to lift it block by block

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At the end of November, in Harbin, the image is repeated every winter, with a scale that has not stopped growing in recent editions: cranes, machinery and workers begin to raise structures on a surface that weeks later will become walls, towers and slides made of ice. According to official dataconstruction is advanced this year thanks to the ice stored during the previous season and preserved for more than ten months. This material allows work to begin even before the river freezes completely again, with the aim of preparing an area that this winter will have 1.2 million square meters. Harbin Ice-Snow World It has grown from a local celebration to a seasonal theme park that rises again each winter. It functions as an enclosure with defined entrances, circulation areas, walkable structures and spaces to stay for hours, especially when it gets dark and the lighting changes the perception of the place. It is not just a setting for photographs, but a park designed to be walked, used and visited for a few weeks, while weather conditions allow it. When ice stops being landscape and becomes infrastructure Upon entering the venue, the experience is more similar to that of a theme park than a temporary exhibition. You can walk between buildings, climb platforms, slide down ramps or access areas prepared for snow activities. The architectural elements are not presented as immobile pieces, but as part of the route. For this edition, those responsible have announced spaces intended for ice fishing, cross-country skiing and collective snow gamesas well as an additional stage that will complement the cultural activities of the already usual Dream Stage. The proposal does not focus solely on showing structures, but on facilitating their use within a planned and temporary environment. Before erecting ice structures, Harbin already celebrated winter through local practices. Hand-carved ice lanterns began to be used in the city in the middle of the last century and gave rise to the first Harbin Ice and Snow Festival, held on January 5, 1985. indicate official pages. The jump to the current format came in 1999, when Harbin Ice-Snow World was created as an independent venue, with specific access and design. Since then, the evolution has been constant: more surface area, greater volume of materials, presence of machinery and planned construction processes. The park, under construction in November 2025 Harbin has turned winter into a source of economic activity. According to data released by Xinhuathe city received 90.36 million visitors during the last season, with estimated income of 137.22 billion yuan (almost 17 million euros), an increase of 16.6% compared to the previous year. Ice-Snow World does not explain these figures on its own, but it acts as one of the main focuses of attraction and as an element that concentrates tourist services, accommodation, restaurants and transportation during the weeks in which it remains open. The construction mobilizes technical profiles, operators and specialists in structure and lighting, while the opening requires personnel for visitor service, security, maintenance and tourist support. Many of these roles are temporary, but require prior coordination and planning. When comparing Harbin to other major winter events, such as the Sapporo Snow Festival in Japan or Quebec Winter Carnival in Canadathe difference is not only in size, but in structure. Sapporo distributes its sculptures in various urban spaces and Quebec combines culture, parades and outdoor activities, but neither of them functions as a theme park concentrated in a single venue, as occurs in Harbin. Harbin uses hundreds of thousands of cubic meters of ice and snow, according to official data, and builds walkable structures that are part of the route and not just the landscape. It is not so much a festival as a temporary recreational facility. Harbin Ice-Snow World has been integrated into the city’s tourism calendar as a seasonal facility. It is built every year, it opens for a few weeks and It is dismantled when temperatures no longer guarantee stability. This temporary nature does not prevent its planning: the prior storage of ice, the mobilization of workers and the associated services indicate that it is an organized activity and not simply a one-off event. The park functions as a generator of temporary employment, concentrates the winter tourism offer and channels activities that are subsequently complemented by the interior ice and snow enclosure, designed to operate all year round as an extension of the exterior park. There is no pretension of permanence, but of repetition adjusted to the climatic conditions. This repetition has allowed the consolidation of technical, logistical and tourist processes linked to winter as a seasonal economic resource. Images | The Harbin International Ice and Snow festival | Harbin Government In Xataka | Someone wants to build a 144 meter high skyscraper in the middle of the port of Malaga. The reason: luxury tourism

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