Photos: Ayatollah Khamenei attends Dust Clearing ceremony at Imam Reza’s (as) shrine On the verge of Imam Reza and his sister Fatema Masumeh’s birthdays, (respectively, 4 August and 25 July), the Supreme Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei is now at Imam Reza’a shrine, Mashad, performing the Dust Clearing ceremony of Holy Zarih (burial chamber) of Holy Shrine of Imam Reza (AS).