Tourists watch water gushing out from the Xiaolangdi Reservoir on the Yellow River in Luoyang, Central China's Henan province, July 3, 2014. The 2014 Yellow River Xiaolangdi waterfall-watching festival kicks off at the Xiaolangdi reservoir on June 30 and lasts until July 5. The event began in 2005, and has been held for 10 sessions. [Photo/CFP]

 Reservoir water discharged to clear Yellow River sediment

 Water gush out of Xiaolangdi Reservoir