An aerial view of grass covered lava flows descending the slopes of an active volcano. Houseboat

An aerial view of grass covered lava flows descending the slopes of an active volcano. HouseboatAn aerial view of grass covered lava flows descending the slopes of an active volcano. Crater Highlands, Ngorongoro Hig, African Rift Valley , Serengeti National Park, Tanzania

A bearded national park caretaker wearing a hat

A public art display of plastic 'Berlin Bears

Family Acroporidae

A Saddle-billed Stork stretching it's wings in the reeds on a floodplain

International efforts have been underway for years to reverse this trend

Snow and ice in the lee of a mountain in Antarctica

A bright pink and yellow Mushroom Coral on a tropical reef

Velavadar National Park

The vapour trails of a passenger jet dissect a clear blue arctic sky above jagged mountains

A clerid beetle feeds on nectar from a manuka flower

A mother golden lion tamarin carries her offspring on her back

The enormous blade-like caudal fin of a Whale Shark