Ключевые слова: ancient, arches, architecture, byzantine, christian, cistern, columns, constantinople, dome, emperor justinian, empire, engineering, fountains, greek, hagia sophia, history, holiday, holy, icons, islam, istanbul, landmark, medallions, minarets, mosaics, mosque, muslim, ottomans, pilgrimage, roman, roman emperors, ruins, stained glass, sultan, temples, tourism, turkey, turkiye, unesco site, vacation,