While visiting Mount Qingcheng, take the opportunity to explore the nearby Dujiangyan Irrigation System, an engineering marvel that has been in operation for over 2,000 years. This ancient irrigation system, built during the Qin Dynasty, still plays a crucial role in managing the water supply to the fertile Chengdu Plain. Marvel at the intricate network of canals, levees, and dams that effectively control flooding and distribute water to the surrounding farmlands. Learn about the innovative techniques used by ancient engineers to create this sustainable and efficient water management system. A visit to Dujiangyan offers a fascinating glimpse into China's ancient engineering prowess.