Ключевые слова: ancient, architecture, balkans, belgrade, beograd, capital city, cathedral, chapel, christian, church, confluence, cross, culture, danube, destination, dome, europe, famous, fortress, house of worship, illuminate, kalemegdan, landmark, night, night lighting, nighttime, old, orthodox, orthodox church, outdoor, petka, place of worship, religion, religious tourism, river, saint, saint petka, sava, serbia, serbian orthodox church, sightseeing, srbija, st, st petka, stone, temple, tourist, traditional, travel, wall,