With a big enough team, you can put up a house in a few hours. A 15-story building, though? That takes a lot more time, though not much more if you're this construction crew in China.
The Ark Hotel in Changsha only took six days to complete, thanks to prefabricated materials. By the time the foundation was set, the rest of the building was essentially ready to go. All it took was putting things into place.
Check it out for yourself in the video below — it's pretty amazing to watch it go up.
Via Huffington Post