In the picture above, Professor Eske Willerslev talks to Aboriginal elders in the Kalgoorlie area in southwestern Australia.
Understanding the history of Aboriginal Australians, their origins and how their population changed over some 50,000-plus years has always been an enormous challenge.
Many Aboriginal people have their own origin stories. Gudjugudju, a Gimuy Yidinji Elder from the rainforest people around Cairns, says:
The story which has been passed
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