Top 50 UPI photos of 2012 (51 images)

A collection of the year's top photos from UPI Photographers around the world.
36 of 50
Several thousand students from historically black universities, some wearing hoodies, rally for slain youth Trayvon Martin in front of the state Capitol in Atlanta on March 26, 2012. A Capitol policeman said it was the largest rally in recent memory and several downtown streets were closed down, snarling the evening rush hour. UPI/David Tulis
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