Humans crawled through a cave 14,000 years ago. We can still see their perfectly preserved footprints.

Humans crawled through a cave 14,000 years ago. We can still see their perfectly preserved footprints.
About 14,000 years ago, a party of five barefoot people — two adults, one preteen and two children — walked and even crawled through a dark passageway in a cave, according to a new study that analyzed the hand- and footprints these individuals left behind.