In pics: Lingqu Canal in China's Guangxi

Aerial photo taken on June 30, 2019 shows Lingqu Canal, which is one of the oldest and well-preserved ancient water conservation projects in the world, in Xing'an County, south China's Guangxi Zhuang Autonomous Region. Lingqu Canal has been added to the World Heritage Irrigation Structures list in 2018. (Xinhua/Zhou Hua)