Photo gallery: The Iditarod trail
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The long run: More than 70 sled dog teams competed in this year's famed 1,150-mile Iditarod race in Alaska. This photo was taken by veterinarian Vern Otte, of Leawood, Kan., who participated as an attending veterinarian. The accompanying photos, courtesy of Dr. Otte, document his experience during the event.