When the Zhongwei plane is about to land, you can see a lot of sand. In fact, compared to the last time I came to Shapotou from Yinchuan, this time I looked down at the desert from the sky. On the west side of Yinchuan, which is known as the south of the Yangtze River, a large stretch of beach stretches endlessly, accompanied by the sunset, there is a feeling of laziness.