China builds complete 57 story skyscraper in record 19 days which means 3 floors in a day.
A 57-floor 2-million-square-foot (180,000-square-meter) skyscraper fully built with energy-efficient, factory-produced Lego-like blocks. He claims that they are now building these at a record three floors per day. Watch a timelapse video of a 57-storey skyscraper being built in China in 19 days. The skyscraper is part of the "Mini Sky City" project in Changsha.
