Introduction to the Anti-Japanese War Tunnel: Zhao Baoheng, the main designer of this Anti-Japanese War tunnel, was formerly known as Zhao Chuanxi and was a revolutionary martyr. In 1938, when he was the mayor of the Second District of Feicheng County, he personally led the Self-Defense Forces and Anti-Japanese War Self-Defense Regiment of the Second District and spent two years digging 26 miles of tunnels.