Ключевые слова: ancients, antic, arc, arch, architecture, balkan, balkans, belgrade, boundary, bridge, building, castle, details, eastern, entrance, europe, exterior, fence, fortification, fortress, gate, historical, kalemegdan, landmark, medieval, morning, nobody, old, open, park, rails, roman, ruing, serbia, sightseeing, stone, stones, stronghold, symbol, tourism, tower, travel, tunnel, two, wall, wooden, yellowish, zindan,