Three Gorges Reservoir increases its discharge volume in Yichang City, central China's Hubei Province, July 13, 2018. The second flood peak of the Yangtze River this year is forming in its upper reaches. Peak flow at the Three Gorges reservoir is expected to reach 61,000 cubic meters per second on Saturday. (Xinhua/Zheng Jiayu)

Three Gorges Reservoir increases its discharge volume in Yichang City, central China's Hubei Province, July 13, 2018. The second flood peak of the Yangtze River this year is forming in its upper reaches. Peak flow at the Three Gorges reservoir is expected to reach 61,000 cubic meters per second on Saturday. (Xinhua/Zheng Jiayu)

Three Gorges Reservoir increases its discharge volume in Yichang City, central China's Hubei Province, July 13, 2018. The second flood peak of the Yangtze River this year is forming in its upper reaches. Peak flow at the Three Gorges reservoir is expected to reach 61,000 cubic meters per second on Saturday. (Xinhua/Zheng Jiayu)