Coastlines around the world boast hints of ancient humans who gathered and traveled along the edges of the world, where land meets sea.
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The fossilized footprints re-create a vanished world, full of lions and elephants, buffalo and horses. Helm has even found giraffe tracks, evidence that the landscape was dotted with trees. “One giraffe track and you have an entire paleoecological reconstruction,” he says. “You get the sense it’s teeming with wildlife.”
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