This timelapse proves that the speed of construction in China is increasing exponentially. But it hasn't gotten any quicker than Broad Group's 30-story building going up in 360 hours—or 15 days for you guys who are already counting on your fingers. 

The building is going up in the Hunan Province of China near Dongting Lake.

Since that means nothing to most of us, it's here:

If that still doesn't help this might:

The building can hold out against a 9 magnitude earthquake according to tests done by the China Academy of Building Research. You'll see that on the clip. Watch it, and let me know what you think.