This cave sheltered some of the first known humans 300,000 years ago

By Ashley Strickland, CNN

Updated 1807 GMT (0207 HKT) January 30, 2019

This artist's illustration shows a young Purussaurus attacking a ground sloth in Amazonia 13 million years ago.
Photos: Ancient finds
This artist's illustration shows a young Purussaurus attacking a ground sloth in Amazonia 13 million years ago.
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