Madrid wants the largest Ferris wheel in the world. For now he is settling for a French merry-go-round

Fifty-nine years old. That is the amount of time that has passed since the noble Madrid Amusement Park has not had a new tender that allows a new company to manage the more than 30 machines that attract approximately one million visitors each year. A single operator. The concession worked in favor of a single company: for an initial period of 35 years, until 1992, the concessionaire could thus fully amortize the investment in civil works and attractions. And so much: it is estimated that more than a million people visit these attractions every year. The term was extended: first, an extension of 24 more years, until 2016; then another extension to the September 27, 2027coinciding with successive major internal reforms—more thematic areas, roller coasters, Nickelodeon expansion—that justified maintaining the same operator. almost six decades of continued exploitation since the concession to Parques Reunidos that began in 1967. And now, Madrid wants to “resurrect” it under two clear rules: a non-renewable eight-year concession and a complete overhaul. And, on the horizon, that gargantuan attraction that we have talked about on occasion. London Eye twice. Literally, Madrid dreams of the largest Ferris wheel in the world. Behind the capital’s Business Forum, which has been defending a structure of about 260 meters for years, doubling the 135 meters of the London Eye. Carlos Rubio’s design proposes an elliptical apparatus higher than the Ain Dubai (250 meters), with panoramic cabins and a multi-story observation deck in the center. The problem is that a good part of Madrid does not want to talk about the Ferris wheel. In 2025, the City Council commissioned a geotechnical study to assess whether it was viable to plant something of such a scale in the Enrique Tierno Galván park, within Arganzuela. The report concluded that technically it could be done. And the neighbors opposed it, suspecting that this move would be the prelude to the privatization of a green lung, an idyllic area to walk the dog or read for a while. The Delicias para Todos neighborhood association warned of the impact: 300 fewer trees, almost a thousand meters of lost soil and a stolen public landscape. They gathered more than 14,000 signatures against it in a few weeks. Finally, a municipal plot next to the EMT garages, next to the hospital Peace in Madrid Nuevo Norte, even without a formal project registered with the City Council, will presumably be the new home of this star wheel. A French merry-go-round. At the same time, the City Council has decided to put out to tender the management of the legendary Casa de Campo Amusement Park. José Luis Martínez-Almeida, mayor of the city, announced during the State of the City Debate that those almost twenty hectares will go to competition. Aim: modernize it. Among the conditions there is a very specific jewel to preserve, maintain and restore: the wooden merry-go-round, the oldest of all the machines, built in France in 1927 and acquired for the inauguration of the park in 1968. A fair trader from Madrid bought it and took it to the San Isidro meadow, to finally pass into the hands of the City Council and install it in Casa de Campo. It is considered “one of the pieces with the greatest heritage value in the complex” and protected under a wooden pergola to prevent it from deteriorating. Taxidermy and memory. This merry-go-round is an artisanal attraction in the art deco/modernist style, handcrafted by French cabinetmakers, with horses, tigers, elephants and even pigs carved in wood, some with glass taxidermy eyes, and period melodies that recreate the atmosphere of the early 20th century. A little murky for current childhoods, although the memory of the carousel outweighs any scare. During its last major restoration, completed in 2012 by artist Félix Rego, figures were disassembled and recomposed, damage after decades spent outdoors was corrected, and everything from the hood to the chrome was repainted. The idea was for the carousel to continue spinning as something active, not to leave it relegated to a museum piece. Madrid already had its ferris wheel. Compared to the 260 meter tall monster, Ferris Wheel Vision was modest, to say the least. Installed in the 70s next to the central lake and dismantled in 2011, this attraction offered views of the Casa de Campo. It was part of a period of expansions along with Jet Star, La Casa Magnética and Las Alfombras Mágicas. His disappearance was experienced as a small trauma. After 40 years of service, he received a tribute video official when he retired to make way for more intense speeds, like the Abyss or Tarantula. And she wasn’t the only one to die either. Seven Peaks, the Cafeteria Tree, the Ghost Ship… most of them have been falling in favor of roller coasters. New times, new rhythms. With the cable car under renovation —47 panoramic cabins Swiss-made, with glass floors in some of them, sensors, AI and almost double the speed—it seems time to check the nostalgic button. That today the City Council protects an almost hundred-year-old French merry-go-round at the same time that it opens the door to a gigantic structure says a lot about the moment: the capital wants to play in the league of global icons – “a Ferris wheel is worth a ride,” it is often said – but it knows that its true emotional heritage continues to float on the artifacts that have been spinning at 10 km/h in the Casa de Campo for decades. Continuous circular motion, the cycle of life. Images | Madrid Amusement Park; own assembly In Xataka | Madrid has been obsessed with having the largest Ferris wheel in the world for years. And it’s closer than ever to getting it. In Xataka | The best amusement parks in Spain: a selection of getaways full of fun and strong emotions

Data centers are real “heaters”. And they are settling in regions as hot as Aragón

The data centers They are a black hole in several senses. They are drinking the global NAND chip manufacturing capacity (what affects SSDs, to RAM oa SD cards), the companies that they make batteries they can’t cope and consume wateryes, but much more alarming is energy consumption. In this sense, they are insatiable and, in the end, thousands of pieces of equipment that generate heat are causing another unexpected effect: they are turning the facilities into heat islands. And it is something that has the potential to affect 340 million people. What’s happening. Andrea Marinoni is an associate professor in the Earth Observation group at the University of Cambridge. Also the coordinator of a group of researchers from both the center and the Nanyang Technological University who have published a study called “Heat Island Data: Measuring the Impact of Data Centers on Climate Change.” In it, they present the results of measuring more than 6,000 data centers located far from dense urban areas with the aim of identifying whether these facilities, by themselves, are a notable heat source. The result? “An impact elderly than expected,” according to the researchers. They compared historical temperature measurements from the locations of those data centers over the last 20 years to compare how things have changed recently and identify whether those data centers have had any influence. And, as we said, the impact seems to have been strong: an average of 2°C, with maximums of up to 9°C in some cases. Doesn’t matter the place. This generates a heat island effect, which is when a large amount of heat is concentrated in one area that should not be there. In big cities It’s something that usually happens and that’s why the most efficient urban architecture seeks to combat the phenomenon. And it doesn’t matter where the data center is. In the study they present several examples: Bajío region in Mexico: high data center density, stable climate, but a land surface temperature increase trend of 2 degrees Celsius in the last two decades. It is something that was not identified in nearby areas without data centers. States of Ceará and Piauí in Brazil: increasing trend of 2.8°C with a projection of reaching 3.5°C in the next five years when this is not observed in the rest of the areas. Aragon in Spain: an anomalous increase of 2°C in surface temperature that stands out compared to neighboring provinces. Potential damage. Aragón is a worrying example because heThe region is consolidating as one of the ‘lungs’ of hyperclimbers in Europeas well as one of the regions of Spain key to the expansion of data centers and European technological sovereignty. And the problem is that, according to the study, the impact of this increase in surface temperature reaches up to 10 kilometers away from the hyperscalers. They detail that in the surrounding areas that are about 4.5 kilometers from the data centers, an increase of 1°C can be measured, which seems little, but when we talk about these climatic effects, it is a lot. And, furthermore, they estimate that the impact of increased temperatures due to this broad heat island effect is something with the potential to affect 340 million people. Yes, but. This research has not been the only recent one on the effect of data centers on the land on which they are installed. Researchers at Arizona State University they installed sensors on cars driving near these centers to capture measurements and noticed the same thing as the Cambridge researchers. But one thing to keep in mind: both studies show measurements, but they have not been peer-reviewed. And there are experts, such as Ralph Hintemann, principal investigator at the Borderstep Institute for Innovation and Sustainability, who point out that, although the results are there and are interesting, some figures “seem very high.” In fact, it focuses not so much on the heat that is concentrated around data centers but on the big problem: the amount of energy they need and the return to fossil fuels to meet peak demand. Image | Tedder In Xataka | Data centers in space promise to save the planet. And also ruin the earth’s orbit

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