STORIES BY GEOFF VIVIAN PHOTOS BY JANE FYFE

from Science Network WA

Aboriginal artists have been painting Kimberley cave walls for tens of thousands of years.

Layer on layer, these ancient art sites can contain hundreds of images, some completely obscured by later paintings.

Cheap digital technology now allows archaeologists to peer below the layers and photograph what lies beneath the surface, while cutting-edge science makes it possible to accurately date them.

You can read more here and here.

The second story has now been republished in The Broome Advertiser on 13/06/2013.

From The Broome Advertiser 13 June 2013