
These footprints were made by ancient humans’ muddy feet as they traversed a lakeshore in Saudi Arabia about 120,000 years ago.
Now, these ancient footsteps offer rare evidence of when and where early humans once inhabited the Arabian Peninsula. "These are the first genuine human footprints of Arabia," says archaeologist and team leader Michael Petraglia of the Max Planck Institute for the Science of Human History.
The Arabian Peninsula has long been considered the obvious route that early members of our species took as they trekked out of Africa and migrated to the Middle East and Eurasia. Stone tools have suggested ancient humans explored the Arabian Peninsula at various times in prehistory when the climate was wetter and its harsh deserts were transformed into green grasslands punctuated with freshwater lakes. Yet so far, researchers have only found a single human finger bone dating to 88,000 years to prove modern humans, rather than some other hominin toolmaker, lived there.














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