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最长的水下洞穴系统位于墨西哥尤卡坦半岛,由彼此相连的“诺霍奇纳奇奇洞”和“萨克阿克通洞”两个洞穴连接而成,总长度为153公里。在数千年的时间中,原住在这一带的玛雅人就是依靠这些洞穴中和洞穴顶部塌陷形成的湖泊中的水生存下来的。最大的自然洞穴这一名为“山河洞”的洞
The longest underwater cave system, located in the Yucatan Peninsula, Mexico, consists of two caves connected to each other, the “Nocturnal Nagchik Cave” and the “Sarkar Cave”, for a total length of 153 Km. For thousands of years, the Maya who originally lived in this area survived on the water in the caves and in the lakes formed in the cave collapsed at the top of the cave. The largest natural cave called “cave” hole