
In this Saturday, May 30, 2015 photo, whirling dervishes from the Al-Tannoura Egyptian Heritage Dance Troupe spin during a performance at the 15th century El-Ghouri Palace, in Cairo, Egypt. (AP Photo/Amr Nabil)
In this Saturday, May 30, 2015 photo, whirling dervishes from the Al-Tannoura Egyptian Heritage Dance Troupe spin during a performance at the 15th century El-Ghouri Palace, in Cairo, Egypt. (AP Photo/Amr Nabil)