Tongji Lake, also known as Tongji Bridge Reservoir, has become a tourist attraction. It is located 3 kilometers west of Pujiang County, Zhejiang Province, on the upper reaches of Puyang River. The area of the scenic spot is 6 square kilometers, the storage capacity is 58 million cubic meters, and the water area is 5 square kilometers. There are 6 islands, dozens of peninsulas and more than 10 scenic spots in the lake, which is known as "Hundred Island Lake". There are four golden mountains in Hunan. It is said that gold, wood, fire and soil are all here. Since the Song Dynasty, the style of writing has flourished, and celebrities have emerged in large numbers. In the Qing Dynasty and before, Wu Wei, who was famous for the Yuequan Yin Society in the southeast. The top of the rock is flat, and there is Dongyan Temple in the southwest. On the top of the rock, you can see the panoramic view of the reservoir; in the northeast, you can see the whole city of Puyang. Under the dam of the reservoir, at the head of Yangtian Village, there is an ancient camphor tree, more than 1380 years old, 3 meters in diameter at breast height, 7 meters in height, more than 1,000 square meters of crown and cap, and canopy tent.