World’s Tallest Building, Sky City, Will Break Ground Next Month

Design Boom
Developed by the Broad Group, this ambitious 220-story building will be constructed by prefabricated pieces which will be put together on-site. Its completion is estimated to tak seven months.

China WIll Build the Tallest Building in the World in Just 90 Days

Jesus Diaz
Gizmodo
Sky City and its 2,749 feet distributed over 220 floors will grow in just 90 days in Changsha city, at the rate of five floors per day.