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