Introduction to the clear spring: 50,000 acres of grassland are connected to the boundless Horqin sandy land. There is a clear spring in the sandy land. The spring water spurts out nearly 1 meter high, spraying hundreds of tons of water per hour. The water accumulates in the desert. lake. The lake covers an area of ​​more than 10,000 acres, and there are more than a dozen sand islands in the lake, which is very unique. Fish such as crucian carp and grass carp grow in the lake.