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11th Annual Smithsonian Magazine Photo Contest Natural World
A Polar Bear and her cubs run on the tundra in Wapusk National Park, Canada.

A Polar Bear and her cubs run on the tundra in Wapusk National Park, Canada.

Photo Detail
Date Taken: 03.2013
Date Uploaded: 11.2013
Photo Location: Canada
Camera: NIKON D4
Copyright: © Michelle Valberg