Shoppers browse at Marbles: The Brain Store within The Court, King of Prussia Mall, United State's largest retail shopping space, in King of Prussia, Pennsylvania on December 6, 2014. REUTERS/Mark ... more 
Shoppers browse at Marbles: The Brain Store within The Court, King of Prussia Mall, United State's largest retail shopping space, in King of Prussia, Pennsylvania on December 6, 2014. REUTERS/Mark Makela less 
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Reuters | Photo By © Mark Makela / Reuters / Reuters
Fri, Dec 26, 2014 10:36 AM EST