Ключевые слова: arch, architectural, architecture, building, bulgaria, cathedral, catholic, catholicism, christianity, church, church most holy heart of jesus, cross, culture, cupola, dome, europe, exterior, faith, famous, heritage, historic, history, landmark, monument, old, ornament, outdoor, plovdiv region, rakovski, rakovsky, religion, ring, roman, sight, sightseeing, stone, style, sunset, temple, tourism, town, traditional, travel, twilight, worship,