Ключевые слова: background, beautiful, blue, bright, cloud, cloudscape, concept, coniferous, countryside, curve, direction, foliage, forest, gravel, green, industry, infrastructure, iron, journey, landscape, line, metal, nature, nobody, old, outdoor, outside, park, passage, perspective, pine, rail, railroad, railway, route, scene, silence, sky, track, traffic, transit, transport, transportation, travel, tree, voyage, way, wood, woodland,