Chinese mega-building

China is planning to build the world's tallest building... in 90 days.

http://inhabitat.com/sky-city-chinese-company-bsb-to-build-the-worlds-tallest-building-in-just-90-days/

I can't tell how serious this is, but I do like how all the pictures show this building as part of Chicago's skyline. I hope this isn't the same company that built all those high speed rail lines.