Ключевые слова: aerial, alps, attraction, blue, city, cloud, cogwheel, europe, forest, fun, grass, green, height, high, hike, hiking, holiday, kulm, landscape, leisure, mountain, nature, panorama, peak, pilatus, place, rack, rail, railroad, railway, resort, rigi, rural, scenery, scenic, sky, slope, station, still, summer, swiss, switzerland, tourism, tourist, train, transportation, travel, trip, vacation, view,