Real Estate is located in dong will Cangbing is legend Paul said Masan Ma Chao';s eighty-one Cangbing three holes, according to legend was built by the three Ma Chao, Sui Tang Dynasty, the village security of its nationality General Masan scale, Survey in 1986 when he unearthed in this cave of Han pottery, arrow bunch.
The existing size of the hole more than eighty, tunnel connected divided according to their function Liao Lookout, operational command room, camping room, archery range, channel fall into pits, total length of 4,500 meters, is divided into three layers from top to bottom, the use ofEntrance height of natural ventilation. Ma Chao Cangbing three holes, as Ma Chao and Cao Cao pass play against as the "air tunnel." Up and down three paths winding, tunnel connected like a maze.