Ключевые слова: ancient, architectural, architecture, blue, bosphorus, bosporus, castle, citadel, city, cityscape, defense, empire, europe, exterior, fort, fortification, fortified, fortress, green, heritage, hisar, hisari, historic, historical, history, istanbul, landmark, medieval, nature, old, ottoman, outdoors, rumeli, rumelihisari, sea, sky, spring, strong, structure, summer, sunny, tourism, tower, travel, turkey, turkish, urban, view, wall, walls, waterfront,