Introduction to the Tomb of the Four Martyrs: The "Tomb of the Four Martyrs" was built to commemorate the four anti-martyrs Wen Shengcai, Lin Guanci, Chen Jingyue and Zhong Mingguang who were killed in July 1915 for assassinating the warlord Long Jiguang. The tomb is in the shape of a hemisphere, with a rest pavilion on the west side. A long stone slab is placed in front of the tomb as an altar. There are stone tablets and inscriptions on the front of the tomb at the bottom of the steps. The cemetery is solemn and solemn, and there is also a Songshan rain shelter pavilion with an elegant and lively shape.