A 2-m- (6.6-foot) long painting of a kangaroo in a rock shelter in the north-eastern Kimberley region of Western Australia is dated to between 17,500 and 17,100 years on the basis of the ages of three overlying and three underlying wasp nests. Traditional Owner Ian Waina inspecting a naturalistic painting of a kangaroo; the inset is an illustration of the painting above it. Image credit: Peter Veth / Balanggarra Aboriginal Corporation / Pauline Heaney. Throughout...
