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...《国家地理探险家:探索无底洞***》剧情跌宕起伏、扣人心弦,是一部值得纪录片迷们观看的绝佳作品。国家地理探险家:探索无底洞***剧情介绍、全集无删减版高清线路在线观看地址,均来自于各大视频资源平台提供,最终解释权归版权方所有。
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