What is X-Seed 4000?
X-Seed 4000 is the largest building ever fully envisioned and designed. It is 4 km tall (13,123 feet), with a 6km base. X-Seed 4000 was designed by Taisei Construction Corporation, a 130+ years old construction firm based in Japan. The X-Seed 4000 design is meant to be an innovative combination of urban living with a natural environment. Large sections inside the building are open and allow the admittance of light. They could be lined with soil, which would allow the creation of parks and other interior landscapes. The gargantuan X-Seed 4000 would need to be constructed on water to ensure its stability. The building was designed with 800 floors and is covered in solar paneling for power. Somewhat similar to the Pentagon, X-Seed 4000 would be a self-contained city with 500,000 – 1,000,000 inhabitants, equipped with numerous fast elevators for purposes of firefighting, police and medical dispatches, etc. Regions of the interior could be quarantined with fireproof paneling to ensure that