Ключевые слова: aged, ancient, antique, antiquity, archeology, arches, architecture, atrium, beauty, blue, brick, bulgaria, church, circle, civilization, classical, columns, culture, day, europe, excavation, golden church, heritage, landmark, medieval, monument, old, opened roof, outdoor, past, pillar, preslav, religion, ruins, sky, stone, summer, temple, tourism, traditional, travel, view,