The incredible story of the tallest building on the planet that ended up becoming the largest swimming pool in the Soviet Union

During the coldest winters of the Soviet Union, there was a place in Moscow where thousands of people they continued bathing outdoors while huge clouds of steam completely covered the landscape. In fact, from some points in the city the silhouettes of the swimmers could barely be distinguished among the artificial fog. For many foreign visitors, that scene seemed more like something out of a science fiction movie than in the center of a Soviet capital. I don’t remember spaces that have given so much, literally. The cathedral that Stalin erased from the map. Yes, for decades, one of the strangest places in Moscow was that huge smoking circle where thousands of people swam under the snow without thinking much about what had existed there before. The fascinating thing is that that place had first been the largest orthodox cathedral of Russia, then the land chosen to build the tallest building on the planet and finally the outdoor pool bigger. Today, on that same site, it rises again a gigantic cathedral golden Few stories explain so well how architecture can become an ideological battle permanent between empires, revolutions and erased memories. The monument that celebrated the defeat of Napoleon. The story began after Napoleon Bonaparte’s withdrawal from Russia in 1812, when Tsar Alexander I promised to raise a huge cathedral in honor of Christ the Savior as thanks for the survival of the Russian empire. The project went through decades of delays, design changes and ideological disputes until it became a gigantic cathedral orthodox partially inspired by Hagia Sophia of Constantinople. Its construction took more than forty years and the final result completely dominated Moscow skyline with huge golden domes visible from the Kremlin. The building represented the union between religion, monarchy and Russian imperial power at a time when the country was trying to project itself as a great European power. The ancient Cathedral of Christ the Savior Stalin wanted to erase the old Russia and build something greater. After the Revolution of 1917the Bolsheviks began a fierce campaign against religion because they considered that the new Soviet society couldn’t share space with symbols of the old imperial order. Churches were closed, confiscated or reused as warehouses, cinemas or homes, but the Cathedral of Christ the Savior It was too visible to survive. In 1931, by direct order of Joseph Stalin, the building was demolished with explosives to make way for to the most delirious project of Soviet architecture: Palace of Soviets. The plan was to build a 415 meter colossus crowned by a gigantic statue of Lenin about one hundred meters high, a building so enormous that it would have surpassed any existing skyscraper on the planet. The objective was not only architectural. Stalin wanted to physically demonstrate that Soviet communism had forever replaced the old, religious, tsarist Russia. This is how the Palace of the Soviets would have looked The tallest building on the planet never came into existence. The architect Boris Iofan He spent years obsessed with that monumental project, designing enormous auditoriums, stepped terraces and spaces designed to glorify the Soviet State and its leaders. It was excavated a gigantic crater next to the Moscova River, the foundation work and part of the metal structure began got upbut reality ended up destroying the Soviet propaganda dream. The terrain was difficult, water continually flooded the area and the German invasion of 1941 definitively paralyzed the works. Much of the steel accumulated for the building ended up reused in fortifications and bridges during the war. What should have been the greatest architectural symbol of world communism ended up becoming a huge muddy hole in the middle of Moscow. Then something even more surreal happened. Instead of resuming the project after the war, the Soviet regime made a completely unexpected decision: transform that immense circular foundation into a gigantic public swimming pool. This is how the Moskva swimming pool was born, inaugurated in 1960 under Nikita Khrushchev. The place became the outdoor pool bigger of the Soviet Union and possibly the world, with 130 meters in diameter and capacity for thousands of people. The water remained heated even in winter, creating huge clouds of steam over the center of Moscow as citizens swam surrounded by snow and sub-zero temperatures. For entire generations of Soviet people, that space stopped being a religious or political symbol and became simply an everyday place where they could learn to swim, meet with friends or escape the cold. The most famous swimming pool in Moscow and its legends. The gigantic circular pond acquired over time a almost mythological fame. The dense columns of vapor made visibility difficult in winter and began to circulate rumors about accidents, drownings and alleged “suicide cults” linked to the ancient sacred ground where the destroyed cathedral had stood. There were also stories about humidity and corrosion that the complex caused in nearby buildings and nearby museums. Still, millions of people used the pool for decades and for many Moscow residents that place ended up forming an inseparable part of their personal memories, even if they knew that they were literally swimming over the ruins of one of the most important temples of imperial Russia. The Cathedral of Christ the Savior restored on what was the largest pool The fall of the USSR changed everything again. With the Soviet collapse, Russia began to recover religious symbols and nationals who had been persecuted for decades. Maintaining the gigantic pool turned economically unsustainable due to the enormous cost of heating and electricity, while a movement grew that demanded the reconstruction of the original cathedral. In 1994 the pool was emptied and demolishedand soon after began an accelerated reconstruction financed by donations and institutional support. He new temple was built in just a few years and consecrated in 2000 as a almost exact replica of the building destroyed by Stalin. For many Russians, that reconstruction symbolized the return of religion and Russian historical identity after the Soviet period; For others, it … Read more

Mova Rover X10, the “what do you want me to beat you” of pool robots

Mova has just landed in Spain con a lot of devices. One of them is the Mova Rover X10, a pool cleaning robot that costs more than 2,000 euros, but that is a lot more than just a ‘Roomba’ for the pool: It is a cleaning submarine. Last year we already analyzed the Dreame Z1 Pro (Mova’s sister company) and although it made my life much easier with pool maintenance, there were things that could be improved to make the experience better, such as the control system and charging. And here comes Mova with the “what do you want me to beat you” of pool cleaning robots. Let’s go with the main features and get into detail. Mova Rover X10 technical sheet Mova rover x10 Dimensions and weight 540 x 460 x 320mm 15.8kg Mapping and navigation 29 sensors Surface and wall mapping Real time control Obstacle Avoidance Dynamic Suction power Maximum of 38,000 L/h Cleaning surface Up to 500 m2 Brush type Two central rollers Two side rollers Filter 3 micron particles 5 liter capacity Control With mobile Battery 6 hours of floor cleaning 12 hours of surface cleaning 6.5 hours of charge Wireless charging Price 2,099 euros Design with multiple brushes There is not much room for innovation when it comes to pool cleaning robots. It’s like the robot vacuum cleaner: There is an almost standardized design because it is ideal for attaching brushes, moles, navigation system and tank. In the case of a pool robot, the same thing happens, although with some extra elements such as the propulsion system. However, Mova has gone all out and he thought that two central brushes for the background were not enough and he attached two smaller ones to the sides. With them you make a first pass by scratching the wall, but they have another function that we will get into later. Something fundamental in a robot vacuum cleaner is the navigation system. The more complete it is, the fewer passes it makes over the surface and the more efficient it is in cleaning. Mova calls theirs ‘360-degree AquaScan’, but basically it is a front sensor, one top and one side to know at all times both the distance from the walls and if there are any obstacles. In the upper backpack we have the reusable filter and Mova ensures that a load of its 15,000 mAh battery It allows six hours of floor cleaning, being compatible with fiberglass, tile, concrete, marble, stainless steel, ceramic and PVC pools. Submarine So far, a “conventional” robot vacuum cleaner. However, there are three features that are really crazy and that we can’t wait to try. One is the propulsion system. The pool cleaner robot has jet propulsion, as this is what allows it to both move forward and stick to the surface and walls. However, the Mova adds another four propellers at the base. So that? To make a ‘jump’ and go up to another platform. Instead of going up, moving close to the wall, he directly pushes himself off. That’s it, an underwater ‘rover’ that solves a problem that some of the competition has: underwater navigation. Other robots have an app that allows very intuitive control and mapping, but once they are submerged, the connection is lost. Some have a knob for basic control, but depending on the water conditions, it may go… or not. What the Rover X10 includes is a beacon. It is connected by WiFi and allows us to have constant communication with the robot. If we want to pause work or change the plan, we simply do it from the app without having to go to the edge of the pool to try to get the remote control right. It also, obviously, allows us to see the work in real time. Surface vacuum cleaner And those two side brushes that we mentioned before are the last trick of this model. Because It is not just a pool cleaner robot, but a surface cleaner. It has a front nozzle that works like a home robot vacuum cleaner: it sucks up dirt thanks to both its advance and what the side brushes attract. According to the manufacturer, it has 12 hours of autonomy in this mode. To charge it, instead of by cable, we have an IPX8 certified base for wireless charging. Mova Rober X10, price and availability Given the characteristics of the Mova Rover X10, it’s time to talk about the price. And as you’d expect, packaging all this technology doesn’t come cheap. The device can now be purchased for 2,099 euros on your website. In the end and as happens with other similar ones such as lawnmower robotsit all depends on the desire you have to automate unpleasant tasks that are not usually pleasant. In Xataka | 3D printing has three big problems. Mova has solved them in a very curious way: with a nozzle roulette

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