Australia's ancient Aboriginal rock art at risk, experts say
The etchings of men and animals on the rocks of the Burrup Peninsula, some of which are believed to be up to 30,000 years old, lie in Western Australia's remote and mineral-laden Pilbara region.
Images carved onto the red rocks scattering the landscape include kangaroos, lizards and emu tracks as well as the extinct native Tasmanian tiger which died out on the mainland 6,000 years ago.
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