In this Thursday, April 30, 2015 photo, a whirling dervish from the Al-Tannoura Egyptian Heritage Dance Troupe, interacts with the audience, during a performance at the El Dammah Theatre in Cairo, Egypt. Many Egyptians and visitors to Cairo are familiar with the Whirling Dervishes as the stylized spinning dancers who perform across the city at cultural centers, cruise ships, hotels and weddings. (AP Photo/Amr Nabil)
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