Ключевые слова: ancient, architecture, aya, blue, bosphorus, byzantine, byzantium, cathedral, christian, christianity, church, constantinople, culture, dome, east, eastern, empire, europe, famous, haghia, hagia, historic, history, imperial, islam, islamic, istanbul, landmark, middle, minaret, mosque, museum, muslim, old, ottoman, pray, religion, religious, saint, sightseeing, sofia, sophia, sultanahmet, temple, tourism, tower, travel, turkey, turkish, vacation,