A snow and ice covered mountain plateau overlooking the Ross Sea. Dar es salaam international airport

A snow and ice covered mountain plateau overlooking the Ross Sea. Dar es salaam international airportA snow and ice covered mountain plateau overlooking the Ross Sea. Royal Society Range, Castle Rock, Hut Point Peninsula, Ross Island, Antarctica.

A rare Risso's dolphin makes an artistic pattern swimming underwater

A Saltwater Crocodile resting on a sandbar in a broad Top End river

The fresh growth of lime green Reed Grass backlit by the setting sun

Overlooking the Melbourne city skyline and the Yarra River at night

A safety briefing before volunteers fly to Antarctica

clear turquoise waters of a wadi in a desert canyon

A dirt track dissecting a vast short grass savannah plain surrounded by a volcano caldera wall

The wonderful geometric star-shaped ceiling of an ancient bazaar

Razor serrations and erosion on the edge of an iridescent blue iceberg Fish Islands

People write messages of love and support on stones for residents of a city after an earthquake

The silhouettes of three cows grazing at sunset on a coastal hilltop

Police and airforce crew search for trapped survivors in flood waters