Ключевые слова: aged, ancient, antiquity, architecture, background, blue, bricks, building, danube, defense, djerdap, eu, europe, fort, fortified, golubac, gothic, green, heritage, historic, historical, history, landmark, legend, leisure, medieval, military, monumental, national, nature, old, park, reflection, river, rock, roman, ruins, scenic, serbia, site, sky, stone, summer, tourism, tower, travel, wall, water,