Staffan Widstrand / Nils-Torbjorn Nutti, owner and operator at Nutti Sami Siida, and Klara Enbom-Burreau on snowmobile trip into the wilderness, Jukkasjarvi, Lapland, Laponia, Norrbotten county, Sweden Model released.

Staffan Widstrand / Reindeer (Rangifer tarandus) herding in the Saarivuoma Sami community, at Jarama, Ovre Soppero, Lapland, Laponia, Norrbotten county, Sweden January Model released.

Peter Cairns / Snowmobilers in Yellowstone National Park, USA, February 2013.

Bryan and Cherry Alexander / Jakov Vanuito, a Nenets reindeer herder, resting during a snowmobile journey across the tundra in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / Jakov Vanuito, a Nenets reindeer herder, checks his GPS during a snowmobile journey across the tundra in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Sergey Gorshkov / Men on snowmobiles removing items from bringing items to photographers camp, Wrangel Island, Far Eastern Russia, March 2011.

Sergey Gorshkov / Man on snowmobile driving past building with barbed wire to protect from polar bears, Wrangel Island, Far Eastern Russia.

Marten Dalfors / Snowmobile in mountain landscape, Sweden.

Jeff Vanuga / Guided snowmobile tours in Yellowstone National Park, Wyoming, USA, January 2013.

Sergey Gorshkov / Red fox (Vulpes vulpes) investigating snow mobile, Kamchatka, Far East Russia, January 2008.

Peter Cairns / Tourist on snowmobile travelling through Yellowstone National Park, Wyoming, USA, January 2013.

Steven Kazlowski / Polar bear (Ursus maritimus) approaches a man on a snowmobile over newly formed pack ice, during autumn freeze up along the coast, Beaufort Sea