The tallest building ever designed is a colossal (and theoretical) four kilometer skyscraper: the X-Seed 4000

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What is the tallest building in the world? Today, that title is held by the Burj Khalifa, located in Dubai, with no more and no less than 828 meters (two more if we count the antenna). However, it is not, by far, the tallest building with which the human being has dreamed, since that title falls to the X-Seed 4000.

And what is the X-Seed 4000? A four kilometer tall skyscraper, no more no less. Four times more than the Burj Khalifa. The idea came from Martin Pascoe and Taisei Corporation, a Japanese company. And while it is true that it is not expected to be built, the idea is, to say the least, peculiar.

It must be pretty cold up there.

X Seed

Assuming that it is a theoretical building, the X-Seed 4000 had been planned to be built in the port of Tokyo, Japan. However, back in 2007, Georges Binder, of Buildings & Data, said that it “was never meant to be built” and that the purpose of it was to generate attention for Taisei Corporation. Mission accomplished, apparently.

RECORD, in addition, confirmed with the company that the project, roughly, would never come true. According to Shohei Ogawa, director of the planning department of Taisei’s international division, “It was our dream proposal for technological advances that we thought might happen in the future.”

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In any case, the idea that Taisei proposed on the table was a building of four kilometers high, six kilometers wide and 800 floors, so that it could accommodate between 500,000 and one million inhabitants. Assuming the larger amount, the building could house more or less 1.5 times the population of Seville.

X Seed

To build it you will need 3 billion tons of steel, which are not few. To give us an idea, the Eiffel Tower weighs 10,100 tons, which means that in steel alone it would take almost 298,000 times the weight of the Eiffel Tower. Only in December 2021 were produced 428,500 tons of crude steel, so let’s do the math.

To this small inconvenience we would have to add, of course, the cost. The price of the building was estimated between 300,000 and 900,000 million dollars, which are not few. Between 15.8 and 47.3 times what Microsoft is going to pay for Activision Blizzard. Small change. There is also the issue of permissions, but that is another story.

The X-Seed 4000 was going to feed solar energy. That the building has energy is important, since the inhabitants of the higher floors would be affected by climatic fluctuations and pressure differences. The same would happen with the Shimizu Pyramidanother theoretical mega-building, also designed to be in Japan, which would have a height of 2,000 meters.

Be that as it may, and despite how curious the structure is, it is more than likely that we never get to see her.

What is the tallest building in the world? Today, that title is held by the Burj Khalifa, located in Dubai,…

What is the tallest building in the world? Today, that title is held by the Burj Khalifa, located in Dubai,…

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