Ключевые слова: ancient, architecture, balkans, buildings, bulgaria, center, city, cityscape, cultural, culture, destination, europe, european, exterior, historical, history, houses, landmark, night, old town, outdoor, outside, panorama, park, past, pedestrian, philippopolis, photo, plovdiv, plovdiv region, roman, sight, sightseeing, street, structure, sunset, thracian, tourism, touristic, town, travel, trip, urban,