Ключевые слова: ancient, architecture, balkans, building, bulgaria, center, city, cityscape, classic, cultural, cuture, danube, danube plain, destination, europe, european, exterior, facade, goverment, hall, hill, historical, history, landmark, landscape, monument, obelisk, old, old town, opera, panorama, park, past, pedestrian, river, romania, rousse, ruse, ruse region, russe, sight, sightseeing, square, state, state opera, street, structure, tourism, touristic, town, travel, urban,