Ключевые слова: alpine, alps, background, beautiful, blue, boat, canton, clean, europe, european, family, famous, fish, forest, grass, green, house, lake, landmark, landscape, lungerersee, lungern, mountain, mountains, nature, obwalden, outdoor, pacified, panorama, panoramic, rock, scenery, scenic, sport, spring, summer, sunny, swiss, switzerland, teal, tourism, tranquil, travel, tree, turquoise, vacation, valley, view, village, water,