Ключевые слова: aargau, aerial, alpine, alps, bloom, blooming, canton, central, clean, clear, countryside, forest, heitersberg, high, hill, landscape, look, lucerne, luzern, mountain, mutschellen, nature, near, overlook, overview, panorama, panoramic, peak, pilatus, plant, protection, recreation, rigi, rossberg, scenic, sky, soil, spring, springtime, sunny, swiss, switzerland, topology, travel, tree, valley, view, viewpoint, vista, zentral,