One of the most remarkable fossil finds in history occurred in Laetoli, Tanzania, in 1974, when anthropologist Andrew Hill (diving to the ground to avoid a lump of elephant dung thrown by a colleague) came face to face with a set of ancient footprints captured in stone--the earliest recorded steps of our far-off human ancestors, some three million years old. Today we can see a recreation of the making of the Laetoli footprints at the American Museum...
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