Outback road Feb 4, 2007

Undara Lava Tube system Feb 4, 2007

Undara is the longest … Feb 4, 2007

190,000 years ago Unda… Feb 4, 2007

Parts of the tube have… Feb 4, 2007

This part of wall has … Feb 4, 2007

It's also home to bats Feb 4, 2007

As the bats are distur… Feb 4, 2007

Undara Lave Tube Feb 4, 2007

Bat droppings Feb 4, 2007

Platypus spotting on t… Feb 4, 2007

Many Australians haven… Feb 4, 2007

...and much smaller th… Feb 4, 2007

We saw this one feedin… Feb 4, 2007

Platypus Feb 4, 2007