Shiite Muslim worshippers gather at the Imam al-Kadhim shrine on May 2, 2016, in the northern district of Kadhimiya in the Iraqi capital Baghdad. The commemoration of the 799 AD death of Shiite Islams revered seventh Imam, who is believed to have been poisoned by agents of then Sunni ruler Harun al-Rashid, is due to culminate on May 3. / AFP / AHMAD
{"Image ImageDescription": "Shiite Muslim worshippers gather at the Imam al-Kadhim shrine on May 2, 2016, in the northern district of Kadhimiya in the Iraqi capital Baghdad.\nThe commemoration of the 799 AD death of Shiite Islams revered seventh Imam, who is believed to have been poisoned by agents of then Sunni ruler Harun al-Rashid, is due to culminate on May 3. / AFP / AHMAD AL-RUBAYE        (Photo credit should read AHMAD AL-RUBAYE/AFP via Getty Images)"}