Imam Moussa al-Kadhim shrine

A Shiite woman prays at the Imam Moussa al-Kadhim shrine at Kazimiyah district of Baghdad, Iraq, Tuesday, June 4, 2013. Tens of thousands of Shiite pilgrims are converging on a golden-domed Shiite shrine in northern Baghdad to commemorate the death of a revered Shiite Muslim saint. Security is tight after a wave of deadly attacks.

Karim Kadim/AP

A Shiite woman prays at the Imam Moussa al-Kadhim shrine at Kazimiyah district of Baghdad, Iraq on Tuesday. Tens of thousands of Shiite pilgrims are converging on a golden-domed Shiite shrine in northern Baghdad to commemorate the death of a revered Shiite Muslim saint. Security is tight after a wave of deadly attacks.