TOPSHOT - Black-clad Iraqi Shiite men beat their drums as they take part in a parade, during the month of Muharram on the Islamic calendar leading up to the day of Ashura, in the holy city of Najaf, during the night of on August 12, 2021. - The Shiite Muslim religious commemoration of Ashura, which includes a ten-day mourning period starting on the first day of Muharram, marks the seventh-century slaying of Prophet Mohammed's grandson Imam Hussein in Karbala. (Photo by Ali NAJAFI / AFP)