Photo taken on March 31, 2020 shows the opening of the ship lock in the upstream direction of the Dateng Gorge hydro dam in Guiping City, south China's Guangxi Zhuang Autonomous Region. The Dateng Gorge hydro dam ship lock opened for its two-way trial navigation Tuesday. Located in the city of Guiping, the Dateng Gorge hydro dam is designed for multiple purposes including flood control, navigation and power generation. (Xinhua/Cui Bowen)
