It used to be a sparse forest and grassland, with abundant water plants and fat cattle and sheep. Due to climate change and over-farming and grazing, the ecological environment is seriously unbalanced. It is the largest sandy land in China, with a total area of ​​more than 60,000 square kilometers. Naiman Banner is located in the hinterland of this sandy land. The people living here have suffered from the pain caused by the sandstorm, and they have also fought indomitably against the sandstor...