This week, thousands gather in the ancient Turkish city of Konya to watch the annual Whirling Dervish Festival. Whirling Dervishes are ascetic Muslims of a Sufi order who perform a symbolic dance in which they spin, wearing long robes and a conical hat, to attain harmony with the universe.

Photos ©Bruno Morandi/Robert Harding

Turkey. Central Anatolia. City of Konya. Whirling Dervishes at the Derviches festival

Turkey. Central Anatolia. City of Konya. Whirling Dervishes at the Derviches festival

Turkey. Central Anatolia. City of Konya. Whirling Dervishes at the Derviches festival

See more photos of Whirling Dervishes here