This is another visionary project from Japan.
The Spiral
This image was from Emporis, but after the update of the website, every image was deleted.
Height:1000m / 3281ft
Floors: 200
City: Tokyo, Japan.
Facts
This building would recycle some 90% of its waste internally thus being a very clean and ecologically sustainable building in the long run.
One of many hyperproject proposals that Tokyo has considered as a solution to everlasting urban congestion
http://www.emporis.com/building/the-spiral-tokyo-japan