Runners from the Antarctic bases cross the sea ice during the Antarctic marathon. View Scientists uses stereo video cameras

Scientists uses stereo video cameras to measure a Whale Sharks length

A black and white Scissortail sergeant swimming above a tropical coral reef

Looking through a barred and screened window into the kitchen of a home in a trading port at night

A solitary African Spoonbill reflected in the surface of a calm waterhole with the sunset afterglow whilst feeding Serengeti National Park

A 4WD ascends a sand dune at night above a desert camp

Runners from the Antarctic bases cross the sea ice during the Antarctic marathon. View Scientists uses stereo video camerasRunners from the Antarctic bases cross the sea ice during the Antarctic marathon. Ross Ice Shelf, Ross Island, Antarctica.