The Change Of Human Walking: From Four Legs To Two

Evidence shows that humans began upright walking around 7 million years ago. But at that time they did not show characteristics of being a civilization. It was much later, about 6 thousand years ago the first signs of colonizing, agriculture, and writing is documented.

It’s hard to imagine but our ancient ancestors got around on all fours. This information is on the wall in a subway tunnel in Portland, Oregon.

A section of a granite wall in a subway tunnel, featuring informational text about human evolution and upright walking, with a display of stone artifacts below.
Upright walking and humans
"Lucy" skeleton illustration and informative text about Lucy, an early ancestor, displayed on a subway wall in Portland, Oregon.
Lucy’s fossil

Thanks for stopping by 🙂

Alice

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