Ключевые слова: background, beautiful, beauty, brook, cascade, children, cleanliness, clearwater, coldwater, creek, environment, flowing, foliage, forest, fresh, freshair, green, health, hope, lake, landscape, life, natural, nature, outdoor, park, pennsylvania, purenature, rest, ripples, river, rock, scenery, scenic, small, splashofwater, spray, spring, stone, stones, stream, summer, tourism, trees, usa, water, waterfall, wet, wild, winter,