Shiite worshippers visit the holy shrine of Imam Abbas during Muharram processions in Karbala, Iraq, Thursday, September 2, 2021. Muharram, the first month of the Islamic calendar, is a month of mourning for Shiites in remembrance of the death of Hussein, the grandson of the Prophet Muhammad, at the Battle of Karbala in present-day Iraq in the 7th century. (Photo by Hadi Mizban/AP Photo)
