Vandals defaced carvings on the walls at Koonalda Cave in South Australia ... of Australia's Aboriginal Mirning people created art on the cave's chalk limestone walls about 30,000 years ago.
Yet the delay in upgrading security at Koonalda, a national heritage site ... who have spent several years recording the cave’s rock art. In 2022, archaeologist Dr Keryn Walshe raised the ...
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