"Congji" ① says: Wenshui ② goes out of the southwest of the county, which is also called Laiwu Valley ③. The road is a hundred miles away from the mountain, and the water runs to Shixi ④. Out of the grass, Rao, forest fire sleeps (5), facing each other on the cliff. Or tilt the cen to block the path ⑥, or return to the rock to break the valley, the breeze sings ⑥, and the mountains and rivers ring. Gao Ling was in deep trouble, and at the same time he was afraid of chestnut. He embarked on a dangerous road and crossed the difficulty of hanging. Within ten miles of the valley, there is another valley in the lonely mountain, and there is a clear spring in the valley. There are two caves in the spring that can accommodate pedestrians. These caves are more than nine feet high and four or five feet wide. It is said that people used to live in the mountains and their wages were still there. There are so many trees in the valley that few pedestrians can reach it. There are still a few mountain fields, and traces of irrigation still exist.