Intersecting paths of muddy footprints left on a Kenyan lakeside 1.5 million years ago suggest two of our early human ancestors were nearby neighbours.
Intersecting paths of muddy footprints left on a Kenyan lakeside 1.5 million years ago suggest two of our early human ancestors were nearby neighbours.Intersecting paths of muddy footprints left on a Kenyan lakeside 1.5 million years ago suggest two of our early human ancestors were nearby neighbours.
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