40th Iditarod Trail Sled Dog Race begins in Alaska
Iditarod Trail Sled Dog Race
Credit: AP
Ryan Redington takes the trail as the last musher to leave during the official start of the Iditarod Trail Sled Dog Race, Sunday, March 4, 2012, in Willow, Alaska. (AP Photo/The Anchorage Daily News, Bill Roth)
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