NATIONAL  ·   May 15, 2014

Hoyo Negro: A time capsule 'unequaled'

- Divers exploring the waters off of Mexico's eastern Yucatán Peninsula recently discovered a near-complete, 12,000-to-13,000-year-old human skeleton hidden deep in a submerged cave system. ()

- Divers exploring the waters off of Mexico's eastern Yucatán Peninsula recently discovered a near-complete, 12,000-to-13,000-year-old human skeleton hidden deep in a submerged cave system. ()

Hoyo Negro: A time capsule 'unequaled' (1:04)

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