A raised boardwalk protects fragile Aboriginal Rock Art from tourists. Nourlangie, Nawurlandja, Anbangbang Billabong, Kakadu National Park, Northern Territory, Australia.

A raised boardwalk protects fragile Aboriginal Rock Art from tourists. Nourlangie, Nawurlandja, Anbangbang Billabong, Kakadu National Park, Northern Territory, Australia.
