Ключевые слова: alpine, alps, blue, building, construction, day, europe, exterior, high, hiking, hill, holiday, hotel, landscape, lucern, luzern, massif, mount, mountain, mountain range, nature, outdoor, peak, people, person, pilatus, pilatus kulm, restaurant, rock, scene, scenery, scenic, snow, summit, sunny, swiss, switzerland, top, tourism, tourist, travel, trekking, trip, vacation, view, white, winter,