Ключевые слова: allegheny, alley, autumn, avenue, branches, colorful, environment, fall, flakes, foliage, footpath, forest, golden, green, hike, hiking, landscape, leafs, leaves, nature, october, orange, outdoors, park, path, peaceful, pennsylvania, perspective, road, route, scenery, scenic, seasons, september, serene, stem, trails, transportation, trees, way, woods, yellow,