
A fire and emergency drill is held on the Yellow River in Lanzhou, capital of northwest China's Gansu Province, July 9, 2015, to prepare for the flood season this summer. (Xinhua/Chen Bin)

A fire and emergency drill is held on the Yellow River in Lanzhou, capital of northwest China's Gansu Province, July 9, 2015, to prepare for the flood season this summer. (Xinhua/Chen Bin)