Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park Anthias fish swim around a

Anthias fish swim around a reef encrusted in sponges and soft corals

An Adelie Penguin preening it's tuxedo-like feathers to keep them clean and warm

Wind-rippled patterns on the surface of the Hummocks dune field

Old rusting gates bar the way through farmland on a featureless plain

A school library made of scrap metal for displaced African refugees

Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park Anthias fish swim around aErosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Crater Highlands, Ngorongoro Hig, African Rift Valley , Serengeti National Park, Tanzania