Ключевые слова: architecture, balkans, bridge, buildings, bulgaria, center, city, classic, culture, destination, europe, european, evros, hebrus, historical, landmark, landscape, maritsa, maritza, meric, merich, nature, outdoor, panorama, park, past, philippopolis, plovdiv, plovdiv region, river, sight, sightseeing, structure, tourism, town, travel, tree, trip, urban, water,