A "Postisin", leader of a troupe of whirling dervishes, prays at the end of a "Sema" ritual during a...
A "Postisin", leader of a troupe of whirling dervishes, prays at the end of a "Sema" ritual during a ceremony, one of many marking the 744th anniversary of the death of Mevlana Jalaluddin Rumi, at Mevlana Cultural Center in Konya, Turkey, December 7, 2017. REUTERS/Murad Sezer