Introduction to Jiegong Pool: Jiegong Pool is located in front of the gate of Longchang Temple. It is more than 30 meters long and wide. It is surrounded by stones. There are more than 20 ginkgo trees on the side of the pool. The maximum tree circumference is 3.2 meters. More than 30 meters high. According to mountain records: Jiegong Pool is one of the sources of the Qinhuai River and can supply water to thousands of people every day.