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所属栏目：地理中国
所属频道：CCTV-10科教
年份：2014
展开全部
简介：宁夏回族自治区灵武市红山堡村的村民在一次放羊时发现了一个神秘地道。据专家研究考证这个神秘地道是修建于明代的藏兵洞，至今已有500多年历史。藏兵洞机关暗道密布，形成一个规模庞大的立体军事体系。本期节目中《地理中国》摄制组将跟随专家深入这个神秘的古代藏兵洞，探寻其中的秘密。收起
《地理中国》 20140311 幽谷秘道（上）
《地理中国》 20140312 幽谷秘道（下）
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