Square display introduction: Behind the Xiangdian is the sacrificial square of Wanzhong Tomb, where the bones of many compatriots who were killed were later buried here. There is also a cannon from the Sino-Japanese War of 1894-1896 on the square, which is the stern main gun of the Jiyuan ship, while the bow main gun of the Jiyuan ship is displayed in Weihai, Shandong.