Introduction to Kaiguan Tower: Kaiguan Tower is located at No. 10, Kaiguan Tower Lane, next to the river bank. It used to be a berthing place for merchant ships. The building is a two-story building with a rectangular plane. The ground floor is divided into 6 rooms with wooden boards and round bluestones on the pillar bases. The upper floor is surrounded by corridors and has glass windows on the southwest and southwest sides. You can overlook the scenery of Peach Blossom Pond when you climb up the building. It is said that this building was built by Zhai Kaiji, a businessman in the late Ming Dynasty, and it basically maintains its original appearance today.