Ключевые слова: ancient, antique, architecture, balkans, brick, building, bulgaria, bulgarian, center, city, cityscape, cultural, culture, destination, europe, european, exterior, fortress, hill, historical, history, house, landmark, landscape, old, outside, panorama, panoramic, plovdiv, plovdiv region, popular, restored, roof, sight, skyline, street, structure, summer, tepe, tour, tourism, tourist, town, travel, trip, unesco, urban, view, viewpoint, wall,