The Karez Irrigation System is an ancient underground water system located in Turpan, Xinjiang, China. It is a remarkable engineering feat that has been used for centuries to bring water to the arid region. The system consists of a network of underground channels that collect water from the nearby mountains and distribute it to the fields and orchards. Visitors can explore the underground tunnels, learn about the history and construction of the system, and witness the ingenious methods used to maintain the flow of water. The Karez Irrigation System is a testament to the ingenuity and resourcefulness of the people of Turpan.