Horqin District, Tongliao City, Inner Mongolia is located in the hinterland of Horqin Sandy Land, and the desertified land area accounts for nearly 1/5 of the total land area of the district.In the middle of summer, the sun is shining, the Horqin sandy land is full of green, and a group of cycling enthusiasts are on the wide road, with rows of green trees and green grass on both sides of the road.Historically, the Horqin Sandy Land is known as the 800-mile Hanhai Sea, with water and grass in the