Ключевые слова: ancient, arc, arch, architecture, attraction, boulder, bridge, building, canyon, clear, culture, double, emerald, europe, european, fascinating, gorge, green, landmark, lavertezzo, locarno, medieval, old, past, reserve, rift, river, riverscape, rock, sight, slope, stone, stream, swiss, switzerland, ticino, touristic, turquoise, valley, verzasca, wing,