Ключевые слова: ancient, architecture, art, attraction, aya, ayasofya, basilica, byzantine, byzantium, cathedral, christian, church, constantinople, culture, dome, exterior, famous, hagia, heritage, historic, islam, istanbul, landmark, mosque, museum, muslim, old, ornament, orthodox, ottoman, outdoor, outside, religion, religious, saint, sofia, sofya, sophia, temple, tourism, travel, turkey, turkish, world,