Shanhaiguan the first pass
Shanhaiguan (Chinese: 山海關) or Shanhai Pass, is located in Qinhuangdao (秦皇島), Hebei (河北) province, right between the Yan Mountains (燕山) and the Liaodong Bay (遼東灣) coast. Shanhaiguan was listed as part of the Great Wall as a World Heritage Site by the UNESCO in 1987.