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Funnel Cloud, MinnesotaNorthfield, Minnesota Born in a bruising supercell, a funnel cloud looms beyond a cornfield. See more pictures from the July 2012 feature story "Epic Storms." See what readers had to say about this Photo of the Day »
Photograph by Mitch Dobrowner

Photo of the Day: Best of April 2013

View the most popular Photo of the Day images from April 2013, from National Geographic.