How wide is the greening on both sides of the middle route of South-to-North Water Transfer Project,

According to the actual situation in various places, the design width of greening on both sides of the main canal of the middle route of South-to-North Water Transfer Project is 30- 100m. 30m near the canal is arbor, 7m cement road is outside the arbor green belt, and 70m shrub economic forest (such as medicinal peony) is outside the cement road. After the green belt is completed, 1,000 trees will be added. In the green corridor, through the hinterland of the Central Plains. Especially the Shahe aqueduct located in Niangniangmiao Village, Malou Township, Lushan County, its design and construction difficulty and total investment are rare in the world, and it can be called the first aqueduct in the world. Professor Tsinghua University described the Shahe aqueduct under the green forest as "Shahe Yunbo" and "Green Forest Dragon". The whole world is competing to see it.