Termite 'cathedral' by the Arnhem Highway near the Mary River Crossing between Darwin and Kakadu at 'The Top End', Northern Territory, Australia

Reflections of eucalyptus (gum) trees on Annaburroo Billabong near the Arnhem Highway at the Mary River Crossing in the Northern Territory, Australia, Pacific

Lily pads and small palms in Annaburroo billabong at the Mary River Crossing near the Arnhem Highway between Darwin and Kakadu, The Top End, Northern Territory, Australia, Pacific

Lily pads and small palms in Annaburroo Billabong at the Mary River Crossing near the Arnhem Highway between Darwin and Kakadu at The Top End, Northern Territory, Australia, Pacific

Large plastic crocodile by the Arnhem Highway at the small town of Humpty Doo, southeast of Darwin, Northern Territory, Australia, Pacific

Children canoeing in Annaburroo Billabong at Mary River Crossing near the Arnhem Highway, at the Top End, Northern Territory, Australia, Pacific

Lily pads and small palms in the Annaburroo Billabong at the Mary River Crossing near the Arnhem Highway in the Northern Territory, Australia, Pacific

The Window on the Wetlands interpretive centre where the Adelaide River crosses the Arnhem Highway, an area noted for birdlife, Northern Territory, Australia, Pacific

Bush fire at Arnhem Highway at night, Kakadu National Park, Northern Territory, Australia

Bush fire at Arnhem Highway at night, Kakadu National Park, Northern Territory, Australia