Ключевые слова: ancient, arch, architecture, attraction, balkan, belgrade, blue, building, cloud, cloudscape, colorful, culture, defense, dramatic, entrance, europe, exterior, famous, fire, fort, fortification, fortified, fortress, heritage, historic, historical, history, kalemegdan, landmark, lantern, medieval, military, monument, old, orange, red, rock, scene, scenic, serbia, serbian, sightseeing, sky, stronghold, structure, sunset, tourism, tower, travel, wall,