Shanhaiguan qinhuangdao is located in hebei province in northeast China, north China and northeast pass through traffic. YiSanBaYiNian (10 years), the emperor hongwu managed in this building, building GuanCheng set. Shut the north on green jade, yanshan mountain peaks south fromzhe surfy bohai bay, therefore its name. GuanCheng plane is square, four kilometers high perimeter 14 meters, seven meters thick. Gates, most spectacular town, east east, hover “first pass under heaven” plaque, Simon, who came on prestige, north, hide on the doors as built towers, build tower, outside are near the moat.
