Six million years ago our ancestors began to walk upright then left the trees and ventured out into the wild African savanna. For millions of years we would adapt, strengthen, and spread across the planet's harshest terrains. We withstood droughts and ice ages to not only survive, but to become the dominant species on Earth. Could we do it again
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The Great Human Race was released on National Geographic 843d ago in the US.
February 1, 2016Confirmed