Water level of Three Gorges Reservoir falls before flood season

Vessels are seen at the upper reaches of the Three Gorges Dam in Yichang, central China's Hubei Province, May 8, 2018. The water level of the Three Gorges Reservoir fell to 160 meters Tuesday morning, which is expected to fall below 145 meters before the flood season comes. (Xinhua/Zheng Jiayu)