大洞套小洞处处藏玄机“兵者,诡道也。”小时候看过一部电影《地道战》,讲的是华北平原的游击队员利用各种神秘地道,把日本鬼子打得抱头鼠窜。不过现在看来,那些对付侵华日军的地道哪怕再诡谲,比起宁夏的明代藏兵洞,还是小巫见大巫。位于宁夏回族自治区灵武市水洞沟的藏兵洞,是国内迄今保存最完整的古代军事防御体系。作为明长城和红山堡的辅助军事堡垒,这些功能完备、设施诡秘的地下兵城,曾在防御北方鞑靼、瓦剌(明朝时分属蒙古东西两部族)的入侵中,起到中流砥柱的威慑作用。另一方面,犹如茫茫戈壁深处一弯 Cave hidden in the cave everywhere hidden machine “soldiers, deception also.” A child read a movie “tunnel warfare,” talking about the North China Plain guerrillas use a variety of mysterious authentic, the Japanese Devils playing Baotoushousan channeling. However, it seems that those tunnels that deal with the Japanese invasion of China are even more treacherous than the hidden Tibetan cave in the Ming Dynasty in Ningxia. Located in Shui-ditch, Lingwu City, Ningxia Hui Autonomous Region, Tibet’s Caves are the most ancient preserved military defense systems in the country so far. As auxiliary military fortresses of the Great Wall and Hongshan Fort, these fully functional and secretive underground bingos, which served as the mainstay of the invasion of the northern Tartars and Walats (Ming and Qing dynasties) Deterrent effect On the other hand, it is like a bend in the depths of the Gobi