40th Iditarod Trail Sled Dog Race begins in Alaska
APTOPIX Iditarod Trail Sled Dog Race
Credit: AP
Jake Berkowitz makes his way through the trail 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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