Dujiangyan Irrigation System

The Dujiangyan Irrigation System, built over 2,200 years ago in China, is an ancient engineering marvel that diverts and manages the Min River's water without dams. It uses a series of channels, levees, and a water-diverting weir to control flooding, supply water for agriculture, and prevent water shortages. The system’s design allows freshwater to flow efficiently to irrigate farmland while maintaining river stability. Recognized as a UNESCO World Heritage Site, it exemplifies sustainable water management and ingenuity, supporting agriculture and everyday life in Sichuan Province for centuries.