Ключевые слова: alps, background, cloud, engelberg, europe, evening, gadmerflue, high, idyllic, landscape, light, lucerne, mountain, mountain ranges, mountains, nature, outdoor, outlines, peak, ridge, rock, scenery, scenic, silhouettes, sky, summer, swiss, switzerland, titlis, top, tourism, travel destination, vacation, view, weather, wendenstocke, wendenstoecke,