人们常说洞潜是世界上最危险的运动之一,但仍然有无数潜水者甘愿投入到地球深处的一个个洞穴中去一探究竟,亲身感受它独特的魔力。讲述墨西哥天坑的BBC纪录片《玛雅地底之谜》中这样说道:“最值得的事情莫过于你看到了此生从未见到过的景象。” It is often said that cave diving is one of the most dangerous movements in the world, but there are still many divers who are willing to devote themselves into the caves in the depths of the earth to explore and experience the unique magic power of their own. In the BBC documentary Maya Mysteries, a story about the Mexican tiankue, “The most rewarding thing is you’ve seen something you’ve never seen before in this life.” "