Shiite Muslims take part in Friday noon prayers at the Imam Musa al-Kadhim Mosque in the Kadhimiya district of northern Baghdad, on July 17, 2009. Thousands of Shiite Muslim pilgrims are arriving at the Imam Musa al-Kadhim shrine to mark the death of the seventh Imam, who was imprisoned for four years and then poisoned by the then ruler Harun al-Rashid in 795. His body now rests within the Imam Musa al-Kadhim mosque, in the mainly Shiite Muslim district of Kadhimiya.(UPI Photo/Ali Jasim) | Slideshow |