Although we had boarded the cruise boat the night before we got off the boat bright and early the next morning and toured around the city of Jingzhou. One of the stops was the east gate of the wall around the ancient city. In earlier times the area where you can see the buses served as an enemy trap. There were two separate doors that could be locked in the front and at the back [back one is out of frame]. The idea was to trap the enemy in the courtyard between the doors.