A Brown Lemur, Eulemur fulvus, walking along the ground with it's tail erect. Hanging rock recreation reserve A first aid and emergency

A first aid and emergency station on a desert hiking trail in outback Australia

An alert Zebra herd stirs up dust at a waterhole in dry season drought Etosha National Park

A group of teenage friends looking over the cliff above the Tomb of Artaxerxes II at sunset

A Hagglund ice vehicle travels across the Ross Ice Shelf during the Antarctic summer

A tourist walks between marble Doric columns at the Lincoln Memorial

A Brown Lemur, Eulemur fulvus, walking along the ground with it's tail erect. Hanging rock recreation reserve A first aid and emergencyA Brown Lemur, Eulemur fulvus, walking along the ground with it's tail erect. Andasibe, Lemur Island, Vakona Forest Lodge, Madagascar