What is the slogan put forward by Haidian District? What is the purpose of attracting investment? Everything is upstream of the wind, which means everything is fine. Beijing is dominated by the northwest wind all the year round, so its location is more reasonable. The water in Beijing comes from the river in Chengde, and the Yongding River also comes from Haidian, so it should be said that it is water, and it should be like this.