Ключевые слова: ancient, architecture, blue, brick, building, castle, city, culture, danube, europe, famous place, fort, fortified, fortress, heritage, high angle, historic, historical, history, horizontal, landmark, large, medieval, monument, old, old ruin, outdoors, people, river, rock, ruin, serbia, smederevo, stone, stone wall, stronghold, tourism, tower, town, travel, travel destinations, view, wall, walls,