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by gus_massa 492 days ago
Tunels are 100 millions year old. We split from chimps 5 millions years ago.

Modern humans are .11 million year old, and we arrived to America .015 million years ago.
3 comments
ainiriand 492 days ago
No, what is 100 million years old is the rock layer. The tunnels are `recent`.
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ruleryak 492 days ago
the sandstone formation is 100 million years old, not the tunnels
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tangus 492 days ago
Just in time to kill the giants sloths?
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