Churchill, Manitoba: See the world’s greatest concentration of polar bears, just outside Churchill, Manitoba. © Michel Terrettaz / WWF-Canon
Visit www.worldwildlife.org/travel/ for more ... more 
Churchill, Manitoba: See the world’s greatest concentration of polar bears, just outside Churchill, Manitoba. © Michel Terrettaz / WWF-Canon
Visit www.worldwildlife.org/travel/ for more information. less 
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| Photo By WWF / WWF
Thu, Mar 1, 2012 4:11 PM EST