Ключевые слова: background, blue, cloud, construction, day, direction, electricity, forest, grass, green, industry, iron, journey, landscape, light, line, metal, nature, old, outdoor, perspective, rail, railroad, railway, railways, river, road, rock, sky, spring, station, steel, stone, stones, summer, sunny, technology, tourism, track, tracks, transit, transport, transportation, travel, tree, trees, water, way,