
Residents take part in a quake drill in the Changning District of Shanghai, east China, Aug. 9, 2017. An earthquake drill was held on Wednesday to introduce earthquake protection and self rescue knowledge to local people. (Xinhua/Chen Fei)

Residents take part in a quake drill in the Changning District of Shanghai, east China, Aug. 9, 2017. An earthquake drill was held on Wednesday to introduce earthquake protection and self rescue knowledge to local people. (Xinhua/Chen Fei)