Ключевые слова: bridge, cinders, clouds, dual, dual tracks, forest, gravel, indiana, infinity, infrastructure, iron, landscape, lines, pair, parallel, parallel lines, rail line, railroad, railroad ties, railroad tracks, rails, railway, railway tracks, rocks, rust, rusty, shipping, siding, spikes, steel, straight, ties, tracks, train tracks, transportation, travel, trees, trestle, twin, twin tracks, two, two sets, vanishing point, wood,