The Xin'an River Reservoir, an important flood control project in the upper reaches of the Qiantang River, opened all nine of its spillways to discharge floodater, in Zhejiang Province, east China, July 8, 2020. (Photos: VCG)

This is the second time all of the reservoir's spillways have been opened since the completion of the reservoir's construction in 1959. The reservoir had all ifs spillways test run for the first time in 1966.

The Xin'an River Reservoir is more commonly known as Qiandao Lake.

It is the main source of drinking water for Zhejiang Province and serves as a strategic reservoir for the Yangtze River Delta.