Loic Poidevin / Truck / van crossing Karoum salt lake in the Danakil depression, northern Ethiopia, February 2002
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Andy Rouse / African Elephant (Loxodonta africana) matriarch leading herd in convoy. Masai Mara, Kenya, Africa.
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George Sanker / Mallard (Anas platyrhynchos) mother with convoy of ducklings. Snake River, Grand Teton National Park, Wyoming, USA, June.
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Bryan and Cherry Alexander / Trucks carrying large sections of gas pipe on a winter road near the Yurharovo gas field. Noviy Urengoi, Yamal, Western Siberia, Russia.
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Bryan and Cherry Alexander / Nenets woman leading train of Reindeer / Caribou (Rangifer tarandus) sleds down icy banks of the River Ob. Yamal, Siberia, Russia, 1993
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Bryan and Cherry Alexander / Trains of Nenets Reindeer / Caribou (Rangifer tarandus) on the tundra during spring migration. Yamal, Siberia, Russia, 1993.
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Daniel Heuclin / Pine processionary caterpillars (Thaumetopoea pityocampa) marching in convoy along Pine tree branch, Poitou, France
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Daniel Heuclin / Pine processionary caterpillars (Thaumetopoea pityocampa) marching in convoy along Pine tree branch, Poitou, France