Ключевые слова: amphitheater, amphitheatre, ancient, antique, archeology, architecture, attraction, building, bulgaria, bulgarian, capital, city, cityscape, cultural, culture, destination, europe, european, famous, heritage, hill, historic, historical, history, landmark, landscape, medieval, monument, old, old town, outdoor, panorama, philippopolis, plovdiv, roman, roman theatre, ruins, sightseeing, theater, theatre, tourism, tourist, town, traditional, travel, urban, view, visit,