Ключевые слова: autumn, background, city, cologne, country, day, direction, dusk, europe, germany, green, industrial, industry, infrastructure, iron, landscape, line, logistics, long, metal, natural, nature, nobody, old, outdoor, outdoors, perspective, rail, railroad, rails, railway, road, rural, sky, station, steel, sunrise, sunset, town, track, tracks, train, transport, transportation, travel, trees, way,