A Japanese construction company's detailed plans for the X-Seed 4000, a city-sized building 2.5 miles high..
A city within a city
The building, known as the X-Seed 4000, is designed to house up to one million residents on as many as 800 floors! Designers have had to consider tricky questions of temperature and pressure differentials between the base and topmost floors, and are looking to utilize solar power to solve these and other critical issues. The cost......... between $300 and $900 billion...
Home to a million pharoahs
Taisei's plans call for the monumental mini-city to rise relatively close by Mount Fuji, rising up upon huge caissons sunk deep into the mire underlying Tokyo Bay.
Above the crowds and above the clouds
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