A suspension bridge is damaged by flood in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

Villagers stand in flood water in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

Rescuers clear up a national highway cut by a landslide in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

A resident clears up the mud at home in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

People clean up the rubbish after the flood in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

Firefighters clean up the mud on the street in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)

Shop owners clean up the shop after the flood in Bikou Town of Wenxian County, northwest China's Gansu Province, July 12, 2018. Water levels in the Yangtze River and the Yellow River surged as intense downpours continue, which led to floods in some parts of Wenxian County. (Xinhua/Fan Peishen)