Ключевые слова: ancient, antique, architectural, architecture, blue, bosphorus, bosphourus, bosporus, building, castle, citadel, city, cityscape, constantinople, empire, europe, exterior, fort, fortification, fortress, green, heritage, hisar, hisari, historic, historical, history, istanbul, landmark, medieval, nature, old, ottoman, place, protection, rumeli, rumelihisari, sea, sky, structure, summer, tourism, tower, travel, turkey, turkish, urban, view, wall, water,