X-Seed 4000

Uncommon card · No. 180780

The X-Seed 4000 is a visionary concept for a megatall skyscraper. Its proposed 4-kilometre (2.5 mi) height, 6-kilometre-wide (3.7 mi) sea-base, and 800-floor capacity could accommodate 500,000–1,000,000 inhabitants. This structure would have been composed of over 3 million tonnes (3.3 million short tons) of steel. It was designed for Tokyo, Japan, by the Taisei Corporation in 1995 as a futuristic environment combining ultra-modern and technological living and interaction with wildlife and nature. Methods of transportation within the X-Seed would most likely include Maglev trains. Georges Binder, managing director of Buildings & Data, a firm which compiles data banks on buildings worldwide, said the X-Seed 4000 "is never meant to be built [...] the purpose of the plan was to earn some recognition for the firm, and it worked." Unlike conventional skyscrapers, to remain habitable the X-Seed 4000 would have been forced to actively protect its occupants from considerable internal air pressure...

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