Yanomami Indian woman cooking, stirring pot, with infant nearby, Brazil, South America

Traditional fishing hauling nets, Nilavelli beach, near Trincomalee, Eastern province, Sri Lanka, Asia

Person standing on a small island in a misty lake surrounded by mountains, with a red canoe nearby, Slocan Lake, British Columbia, Canada, North America

A boy helps crush stones in a special stone mill in Sudan. Illegal gold-mining in the region of the fourth cataract of the Nile in northern Sudan. People from the nearby villages work in shallow shafts in the desert. The rocks containing gold are crushed in a special mill. Some of the material is washed with water on the spot but the major part of it is taken to a village. 12/01/2007

Sacks filled with gold dust are put together in Sudan. Illegal gold-mining in the region of the fourth cataract of the Nile in northern Sudan. People from the nearby villages work in shallow shafts in the desert. The rocks containing gold are crushed in a special mill. Some of the material is washed with water on the spot but the major part of it is taken to a village. 12/01/2007

Two men use a paper map and a compass to identify nearby peaks while hiking in the North Cascade Mountain Range, North Cascades National Park, Washington, United States of America

Male lion (Panthera leo) bites Cape buffalo (Syncerus caffer) from behind with another lion nearby, Serengeti, Tanzania

Yearling brown bear siblings (Ursus arctos) roughhousing near McNeil River, Alaska, while their mother feeds nearby on sedges, Alaska, United States of America

Yearling Brown bear siblings (Ursus arctos) take a break from roughhousing near McNeil River, Alaska, while their mother feeds nearby on sedges. Brown bears gather in the area each spring and early summer to feed heavily on nutritious sedges prior to the arrival of local salmon runs, Alaska, United States of America

A young woman blurred in the foreground as she stands watching a cow moose (alces alces) in the pond nearby, Anchorage, Alaska, United States of America

Vietnam, Mekong Delta, Woman in traditional clothing, standing on dock near river and old boats.