Introduction to Anti-Japanese War Sites: The memorial site includes the piers of the Harge Bridge (wooden bridge) on the Nenjiang River during the Anti-Japanese War, the piers and bridgehead bunkers of the Nenjiang Bridge (iron bridge) built by the Puppet Manchukuo, and the Jiangqiao during the Japanese occupation. Railway garrison ruins, Kwantung Army garrison camp bunker in Jiangqiao, underground fortification ruins, unexplored Japanese underground warehouses, etc.