Top 50 UPI photos of 2012 (51 images)

A collection of the year's top photos from UPI Photographers around the world.
Updated: Dec. 27, 2012 at 4:42 PM
23 of 50
Republican presidential hopeful Rick Santorum holds up a block of shale as he speaks to supporters at a primary election night rally on February 28, 2012 in Grand Rapids, Michigan. UPI/Brian Kersey
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