Ключевые слова: architecture, art, beauty, blue, building exterior, bulgaria, bulgarian culture, capital cities, cathedral, chapel, christianity, church, city, courtyard, cultures, decoration, design, europe, famous place, history, horizontal, landscape scenery, medieval, monastery, monument, mountain, no people, old, orthodox church, religion, rila, rila monastery, rila mountains, sky, sofia, spirituality, summer, tourism, town, travel, travel destinations, unesco, unesco world heritage site,