Introduction to the Tomb of Martyr Zhao Bo: In May 1944, in order to commemorate the former Secretary of the Lunan District Committee Zhao Bo and the martyrs who died in the "Silver Factory Massacre", the former Linyi Administrative Office established the Lunan Revolutionary Martyrs here. cemetery. The cemetery is divided into two parts: the mountain and the lower part. There are 77 plates and 397 steps on the mountain. There are the tomb of martyr Zhao Bo, the monument to martyr Zhao Bo, the "Cangshan Uprising" martyr monument, the "Silver Factory Massacre" monument, the martyr's tomb of Guo Yunfang, the commander of Cangshan riot, the tomb of martyr Zeng Mingtao, director of the Political Department of the Eighth Division of Shandong Military Region, and the ashes of Ding Qiusheng, political commissar of the North Sea Fleet. Resting place etc.