b)koonp27

Koonalda Cave, Nullarbor Plain, South Australia, c. 16,000-27,000 BP / b)koonp27

"Koonalda Cave sink-hole, Nullarbor Plain, South Australia,."

Photo © D. J. Mulvaney, in Flood, Josephine. 1997. Rock Art of the Dreamtime. Sydney: HarperCollins: p. 27.