Eric Baccega / Sergueï Chorolya, Nenet reindeer herder warmly dressed in reindeer fur coat. Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Sergue Chorolya, Nenet reindeer herder warmly dressed in reindeer fur coat. Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Sergueï Chorolya, Nenet reindeer herder warmly dressed on tundra in malitsa reindeer skin coat.Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Carolina Serotetto, Nenet teenager standing at entrance of her reindeer fur covered tent, warmly dressed in traditional coat. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Carolina Serotetto, Nenet teenager at entrance of reindeer fur covered tent, warmly dressed in traditional coat. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Carolina Serotetto, Nenet teenager at entrance of reindeer fur covered tent, warmly dressed in traditional coat. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.

Bryan and Cherry Alexander / Albina, a young Selkup girl, warmly wrapped up for a winter sled journey near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Nenets girl, warmly dressed in reindeer skin clothing, carrying snow to melt for water. Yamal, Northwest Siberia, Russia, February 2007. Editorial use only.

Bryan and Cherry Alexander / Nenya Vanuito, a young Nenets girl, wearing a traditional hat with fur trim at a winter camp near Tambey. Yamal Peninsula, Western Siberia, Russia. March 2011

Bryan and Cherry Alexander / Yuri Yaungat, a Nenets reindeer herder, warmly dressed out on the tundra near Tambey. Yamal Peninsula, Western Siberia, Russia, March 2011

Bryan and Cherry Alexander / Evenk girl warmly dressed in the cold. Evenkiya, Siberia, Russia, 1997.

Bryan and Cherry Alexander / Warmly dressed Inuit couple sitting outside their igloo, Northwest Greenland, 1998.