Worth a Look: China 30 Story Hotel in 30 Days

China’s high-speed building boom

A 30-story hotel in Changsha went up in two weeks. Some question the safety in that, but the builder defends its methods.

A time-lapse video of the project in Changsha, which shows the prefabricated building being assembled on site, has racked up more than 5 million views on YouTube and left Western architects speechless.