Ключевые слова: ancient, architecture, attraction, belgrade, building, capital, castle, city, cloud, cloudy, day, defense, destination, europe, fort, fortification, fortified, fortress, gate, hill, historic, history, kalemegdan, landmark, medieval, military, monument, museum, old, park, ruins, serbia, serbian, site, sky, stone, summer, symbol, tourism, tourist, tower, travel, wall, war, yugoslavia,