Introduction to Tianlai Valley: Located in the northeast of Muqing Valley, it faces the poetic birch garden in the front and is connected to the ridge of Shenying Mountain in the back. The entire valley is 250m long, with an average width of 30m and a depth of 15m. It is winding and convex in the middle. , divides Tianlai Valley into two areas. The valley bottom is flat and the vegetation is luxuriant. It is the best-maintained area of natural ecological forest in Muqing Valley. There is a naturally formed spring in Tianlai Valley, which does not freeze all year round. In summer, the stream gurgls like a silver bell and is as pleasant to the ear as it is. There are perennial oak trees, pine trees, willow trees and poplar trees on the ridge of Tianlai Valley. The green shade is picturesque in summer and the yellow leaves are pleasant in autumn. The whole valley is quiet and peaceful.