Ключевые слова: ancient, arches, architecture, byzantine, christian, cistern, cityscape, columns, constantinople, dome, empire, engineering, fountains, galata tower, greek, 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,