Ключевые слова: ancient, architecture, building, caldas, castellum honesti, catoira, chapel, cityscape, destination, estuary, europe, facade, galicia, galician, historic, historical, landmark, landscape, marsh, mean, medieval, middle ages, monument, old, pontevedra, ria de arousa, ruined, ruins, saltwater marsh, spain, spanish, stone, tourism, tourist, tower, towers, travel, ulla estuary, urban, vegetation, vikings, wall, walled, walls, west, west towers, wetlands,