Photo taken on July 11, 2018 shows water gushing out from the Xiaolangdi Reservoir on the Yellow River in central China's Henan Province.(Xinhua/Li Jianan)

Aerial photo taken on July 11, 2018 shows water gushing out from the Xiaolangdi Reservoir on the Yellow River in central China's Henan Province. (Xinhua/Li Jianan)

Tourists watch water gushing out from the Xiaolangdi Reservoir on the Yellow River in central China's Henan Province, July 11, 2018. (Xinhua/Li Jianan)