KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)

KONYA, TURKEY - DECEMBER 17 : Whirling dervishes perform during a "Seb-i Arus" (The Night of union) ceremony at Konya Metropolitan Municipality Sports and Congress Center, to mark the 741st anniversary of the death of Mevlana Jalaluddin al-Rumi on December 17, 2014 in Turkey's Konya province where Rumi is buried. Gokhan Balci / Anadolu Agency (Gökhan Balcı - Anadolu Agency)