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
2 of 50
A gas mask clad demonstrator holds a large stone in Syntagma Square in the center of Athens, Greece on February 10, 2012. During a 48 hour general strike, demonstrators clashed with riot police in front of the Greek Parliament. UPI/Giorgos Moutafis
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