Jiayuguan hangs the wall Great Wall, 8 kilometers place stones closes the defile north side located at Jiayuguan Guan Cheng north north Montenegro the slope. Bright Jiajing 18 years (in 1539), to strengthen Jiayuguan's defense, the Suzhou soldier prepares Li Han outside the blind wall, on the canyon south side mountain top starts, the jail built long 15 kilometer slabstones to clamp the dirt wall. The project completed in the Jiajing 19 years (in 1540), caused Guan Cheng to defend is stricter, ancient called “the cliff Great Wall”. Because the city wall falls steep from the mountain on, resembles the Great Wall on the mountain ridge to hang upside down, the hard wall is hanging, falls steep from the mountain, blocked the stone to close the defile, the popular name “hangs the wall Great Wall”. hangs the wall Great Wall original wall presently only -odd section, the bottom extravagant 4 meters, on the width 2 meters, the height 0.5-6 meter different. Slabstone level depth 10-15 centimeters, soil layer depth 10-12 centimeters. The extant 750 meter Great Wall repaired after 1987, the including 231 meters city walls were hanging in the height 150 meters, the gradient was 45 ' on the mountain ridge, reached as high as 6 meters, the slabstone, the thickness of soil layer as before. Increases in the top builds piles up the wall and the space wall, the head and tail adds respectively builds a platform, builds the stair type steamed bread on the first pillar and the hillside to say. The tourist goes up steps on, the smooth place like shoe flat land, precipitous place like climbs the precipice. Quite resembles Beijing Badaling Great Wall. Has the poem to approve the cloud: “Great Wall Wan Liguan, the repeat bonds the Montenegro blind wall to hang”.
Old is Yongzhou Gansu provincial capital Lanzhou. Located in the upper Yellow River, located in the geographical center of China, between latitude 32 ° 31 '~ 42 ° 57', longitude 92 ° 13 '~ 108 ° 46' between. It is the east, Shaanxi, Qinghai, Sichuan controlled South, West Hill Xinjiang, brief Inner Mongolia, Ningxia, is the ancient Silk Road of the key sections of land and gold, and with the Mongolian border, it was like a magnificent gem, set in central China the Loess Plateau, Qinghai and Inner Mongolia plateau, something more than 1,600 kilometers meandering, aspect 453,700 square kilometers, accounting for 4.72% of the total area. Population 26 million (968 million in 1949), Han, Hui, Tibetan, Dongxiang, Yugu, Baoan, Mongolian, Kazak, Tu, Salar, Manchu and other ethnic groups. Among them, the Dongxiang, Yugur, Bonan is a minority of Gansu.