Ключевые слова: alone, background, beautiful, beauty, blue, calm, cloud, cradle, dam, dawn, hill, lake, landscape, mist, morning, mountain, national, nature, outdoors, park, peaceful, peak, pennsylvania, reflecting, reflection, relax, reservoir, rock, safe, sightseeing, sky, smooth, sunrise, thailand, tourism, twilight, vacation, water, white, wilderness, winter,