unit. Huai Nan “Japanese forces invasion of China crime ruins” including 5 spots: after “the mass grave”, “the secret water dungeon”, “stands, the fortress”, “the kiln temple”, carves the fort water dungeon. “mass grave ” the length 20 meters, the deep 5 meters, the width more than 3 meters, the altogether 3 pits, the native calls “kua the sub-forest”. According to "Luohe river Ancient and modern" records: The Japanese forces invade passes the period greatly, miner mine shaft condition ten minute bad, the heavy accident occurs unceasingly, causes large quantities of miners to die. In 1942, in the miner the infectious disease was specially popular, eight work sheds had more than 500 workers, several month complete death ray. From from 1942 to 1943 two years, because suffers injury the miner who, the casualties, die of illness to reach more than 13000 people. Dies remnantly the miners are thrown by the Japanese forces to enter “the mass grave”, what more remnant non-humanity is, the Japanese forces is living serious illness miner with the reed roll up like a mat, throws “the mass grave”, this is “the mass grave” origin. “ mass grave”, including bones of the dead countless remains pit, class education exhibition hall, clay sculpture, stone carving, gate tower,
surroundings by forest cover, luxuriant grass. Has not brought forth “Pure Brightness” when the festival, the Local government and is dying the family members are grieved. after stands, the fortress is passes in greatly the ore 13 fortresses biggest one, the height 12 meters, stands 282,700 square meters, also only saves at present Sino-Japanese War period Japanese forces is passing greatly is equipped with the Garrison headquarters, the military police corps, in had the large army, the blockhouse constructs in 1943.