What can you accomplish in 360 hours? The Chinese sustainable building company, Broad Group, has yet attempted another impossible feat, building a 30-story tall hotel prototype in 360 hours, after building a 15-story building in a week earlier in 2011. You may ask why in a hurry, and is it safe? The statistics in the video can put you in good faith. Prefabricated modular buildings has many adva
![30-story building built in 15 days! Construction time lapse of J57, Changsha, China.](https://cdn-ak-scissors.b.st-hatena.com/image/square/66d518e1bce8754780b18a8324a7a58073e35aa3/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FHdpf-MQM9vY%2Fhqdefault.jpg)