Ключевые слова: autumn, background, beauty, cloud, cloudscape, colorful, detail, direction, element, fence, gravel, horizon, industry, iron, light, line, long, metal, mountain, nature, outdoors, parallel, perspective, rail, railing, railroad, railroads, railway, road, route, scenery, shape, sky, steel, straight, sunlight, track, tracks, trackway, trail, train, transit, transport, transportation, travel, tree, tunnel, wavy, way,