TO GO WITH AFP STORY BY DILAY GUNDOGAN - A picture taken on November 29, 2013 shows the Hagia Sophia, at Sultanahmet in Istanbul. Hagia Sophia, which dates back to 537, was a church for centuries -- and the seat of the Patriarchate of Constantinople -- before being converted to a mosque under the Ottoman empire in 1453. It opened as a museum in 1935 after the founding of modern Turkey. AFP PHOTO/BULENT KILIC (Photo credit should read BULENT KILIC/AFP/Getty Images)
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