中华“九大”名关山海关在河北省秦皇岛市，是万里长城的起点。形势险要，自古为交通要冲，有“天下第一关”之称。居庸关旧称军都关、蓟门关，在北京市昌平县西北部，长城要隘之一。控军都山要塞中枢，地险关雄，十分壮观。紫荆关在河北省易县紫荆岭上，为河北平原进入太... The “Nine” Guannameshan customs in Qinhuangdao City, Hebei Province, is the starting point for the Great Wall. Situation is critical, since ancient times for the traffic hub, “the best in the world,” said. Juyongguan formerly known as the military are off, Jimen Gate, Changping County in Beijing’s northwest, one of the Great Wall pass. Control the military fortress center, to dangerous off male, very spectacular. Bauhinia off in Yi County, Hebei Zijingling on the plain for the Hebei into too ...