Japan Plan to build X-Seed 4000 (looks very scary)

This building are inspired by Mount Fuji. The X-Seed 4000 are designed by Taisei Construction Corporation. This building would stand at approximately 13,123 feet(4km), nearly 700 feet (213 m) taller than the real mount Fuji.

X-seed 4000 be capable of housing between 500,000 to 1,000,000 people. I'ts be powered by solar energy to maintain light, temperature and air pressure.

This giant building are planed to build in Tokyo japan. The construction period will reach to 30 years.