The Tokyo Tower of Babel is a visionary building that was unveiled in 1992. Surprisingly, it is 2.5x taller than the X-Seed 4000, and it is 10,000 meters, the tallest building ever envisioned until it was superseded by a few building envisions of the 2010s.
And The floors is at 1000+. The Tokyo Tower of Babel is the tallest skyscraper built. The Arconic Tower and the Dubai City Tower will be dwarfs comared to this gigantic beast.