) This aerial photo taken on Sept. 15, 2023 shows a view of the Yellow River in Bayannur, north China's Inner Mongolia Autonomous Region. The Hetao Irrigation Area, located in Bayannur, north China's Inner Mongolia Autonomous Region, has been diverting water from the Yellow River for irrigate since the Qin Dynasty (221 B.C.-206 B.C.). The current irrigation area stands at 11.54 million mu. The 2,200-year-old irrigation project, included in the World Heritage Irrigation Structures in 2019, uses