Introduction to Chongwu Ancient City: Chongwu Ancient City is located at the southern end of Chongwu Peninsula. It is made of white granite. The city wall is 2457 meters long, the city base is 5 meters high, and the wall is 7 meters high. There are gates on all sides, and beacons are set on the gates. There is a platform, a screen wall is added outside the south city gate, and a lookout is set up at the commanding heights of Lianhua Mountain in the city; there is a pool and a well on each side of the city and a culvert leading to the front of the city. The cross streets in the city connect the four city gates. These city walls, nests, gate towers, moon cities, piers, defense villages and martial arts halls constitute a complete ancient strategic defense engineering system.