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X-Seed 4000

 - Aug 28, 2007
References: blog.scifi
Holy Mount Fuji Batman! The Tasei Construction Company in Japan is is planning to build a 13,123-foot- tall building called the X-Seed 4000 which will house anywhere from 500 thousand to 1 million people.
If this actually happens this mammoth mansion will be seven times taller than the current tallest building, and about 700 feet taller than Mt. Fuji.
For some where around $300 to $900 billion The X-seed could be built to use solar energy as the primary source of power and use recycled water.
This thing is going to be so big not even Gojira could climb this bad boy!