Sunday, 22 January 2017
A total of 19 buildings in Wuhan's downtown area were demolished by five tons of explosives at one-time in only 10 seconds from 11:50 p.m. Saturday in central China's Hubei Province.
The blast area is located in the city's downtown area which is next to a light rail viaduct, residential communities, shopping mall, transformer substation and some other infrastructure facilities.
Authorities set more than 120,000 muzzles and prepared five tons of explosives. In order to guarantee safety, they set the collapse time by the millisecond.