A group of scientists, led by Australian researchers, have pinpointed the location where humans first walked the earth.
The birthplace of the human race was the Makgadikgadi-Okavango palaeo-wetland in Botswana, Namibia and Zimbabwe, researchers have discovered, approximately 200,000 years after the first human is believed to have existed.
At that time, the now barren area - dominated by desert and salt plains - was a wetland roughly the size of New Zealand, Sydney-based lead researcher Vanessa Hayes said.
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