Istanbul's landmark Hagia Sophia Mosque underwent restoration using the most advanced techniques setting an example for the world, said the provincial director of culture and tourism. Dr. Coskun Yilmaz stated that Hagia Sophia has a history of 1,500 years, and the political, social, cultural and natural disasters experienced in this process also left its traces on the structure. He noted that Hagia Sophia was burned in the Nika riots, suffered ...