介绍：A team of elite cavers led by 68-year old Bill Stone attempts a months-long expedition to officially make Cheve Cave in Oaxaca, Mexico the world’s deepest cave. A massive logistical undertaking above ground supports the lead team in the depths as they navigate an underground maze of twisting tunnels and dead ends in search of a passage that leads to the bottom of deepest cave o..

介绍：由 68 岁的比尔·斯通率领的一支精英洞穴探险队尝试进行为期数月的探险，以正式使墨西哥瓦哈卡州的切夫洞穴成为世界上最深的洞穴地面上的一项庞大的后勤工作在深处支持领导团队，因为他们在扭曲的隧道和死角的地下迷宫中寻找通往地球上最深洞穴底部的通道。