Ann Arbor firefighters work to put out a fire that engulfed Happy's Pizza in Ann Arbor, Mich., on Tuesday, January 7, 2014. Firefighters worked for several hours in temperatures that dipped to 15 degrees below zero to extinguish a blaze at the pizza shop. No injuries were reported following the fire. (Photo by Melanie Maxwell/AP Photo/The Ann Arbor News)
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