Ключевые слова: blue, cloud, cloudscape, colorful, dusk, evening, green, horizon, idyllic, infinite, iron, journey, landscape, metal, nature, orange, outdoor, perspective, pink, rail, railroad, railway, red, scene, scenery, scenic, serenity, sky, sky scape, skyline, speed, steel, stone, sun, t transportation, tracks, train, transit, transport, travel, twilight, vegetation,