The second-generation padlock of the South-to-North Water Diversion Project
Background: "South-to-North Water Diversion" (South-to-North Water Diversion) is a strategic project in China. The starting point of the middle line project is the Danjiangkou Reservoir in the middle and upper reaches of the Han River. The scale of water transfer in the planned area of the South-to-North Water Transfer Project is 44.8 billion cubic meters. The total length of the east, middle, and west trunk lines planned by the project is 4,350 kilometers. The total length of the main line of the first phase of the east and middle line is 2,899 kilometers, and the first-level supporting canals in six provinces and cities along the line are about 2,700 kilometers.