Mexico’s Las Golondrinas is one of the world’s largest subterranean caves, with a vertical drop of more than 1,400 feet. This group of exceptional climbers challenge the powers of nature during this extreme caving expedition.
Mexico’s Las Golondrinas is one of the world’s largest subterranean caves, with a vertical drop of more than 1,400 feet. This group of exceptional climbers challenge the powers of nature during this extreme caving expedition.