Ключевые слова: ancient, archeology, architecture, balkans, buildings, bulgaria, center, city, cityscape, classic, column, cultural, destination, europe, european, exterior, greek, historical, landmark, odeon, outdoor, outside, park, past, philippopolis culture, plovdiv, plovdiv region, roman, roman odeon, ruins, sight, sightseeing, structure, thracians, tourism, town, tracian, travel, tree, trip, urban,