Photos of the day, April 19, 2012.
Published: April 19, 2012 03:41PM
Updated: April 19, 2012 03:41PM
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Iranian troops march during a military parade commemorating National Army Day in front of the mausoleum of the late revolutionary founder Ayatollah Khomeini, outside Tehran, Iran, Tuesday, April 17, 2012. (AP Photo/Vahid Salemi)
A collection of some of the best photos from throughout the world. April 19, 2012