Ключевые слова: alpine, alps, background, beautiful, blue, calm water, central, clouds, countryside, destination, europe, european, fresh, green, high, hillside, idyllic, jungfrau, lake, lake lucerne, lakes, landscape, lucerne, lucerne switzerland, luzern, mount, mountain, nature, outdoor, panorama, panoramic, pilatus, pond, relax, rigi, scene, scenery, scenic, sky, summer, swiss, switzerland, tranquil, travel, vacation, valley, vastness, vierwaldstattersee, view, water,