New archaeological research reveals that the sea off northwestern Australia once had islands and a massive landmass. This area was so large it could support around half a million people, as reported in a study published in Quaternary Science Review.
The study maps a world that appeared and then disappeared as sea levels changed over the past seventy thousand years. People are believed to have migrated to this part of the world between forty-five thousand to sixty-five thousand years ago.
The area was part of a paleocontinent called Sahul, connecting Australia to New Guinea. The submersion of this land might have led to significant cultural and population changes in northern Australia.
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