220-story building

220-story building [PHOTO/VIDEO] in 90 days, A Chinese company thinks it has simplified the construction process so much that it can build the world's tallest skyscraper in 90 days. 

Broad Sustainable Building has built a number of their remarkable prefabricated towers in China, but none yet anywhere else.

The Corporation will lay the foundation for their "Sky City" project this month. The company plans to construct a 220-story skyscraper in 90 days, with construction starting in January and finishing in March. Go here for more including a photo and video.