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所属栏目：地理中国
所属频道：CCTV-10科教
年份：2016
展开全部
简介：山海关又称榆关，位于秦皇岛市东北15千米，北依燕山，南临渤海，位于山和海之间，因此得名山海关。山海关是明长城的东北著名关隘之一，汇聚了中国古长城之精华，有天下第一关的美誉。那么山海关在选址上为何选择秦皇岛，在地理形势上蕴含怎样的奥秘，敬请关注。收起
《地理中国》 20161109 山海雄关·长城人家
《地理中国》 20161108 山海雄关·龙首神砖
《地理中国》 20161107 山海雄关·险山重关
《地理中国》 20161106 山海雄关·水关天堑
《地理中国》 20161105 山海雄关·入海奇城
《地理中国》 20161104 山海雄关·平原要塞
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