Introduction to the Northeast Anti-Japanese Anti-Japanese Volunteer Army Memorial Square: China's first "Northeast Anti-Japanese Anti-Japanese Volunteer Army Memorial Square" is built on the edge of the mountain. It starts from the replica of the gate of the Northeast Army's Peking Camp and is composed of the national anthem "March of the Volunteer Army". The wall is the vertex. During this period, the major events of the Anti-Japanese War in the 14 years from September 18, 1931 to August 15, 1945 were engraved in chronological order in the form of a monument more than 200 meters long.