Ключевые слова: abstract, background, blue, bridge, building, business, city, concept, country, crossing, day, direction, field, future, green, industry, iron, landscape, light, line, metal, modern, motion, nature, old, outdoor, pattern, perspective, platform, rail, railroad, railway, road, sky, speed, station, steel, sunset, technology, town, track, traffic, train, transit, transport, transportation, travel, urban, vintage, way, white, wood,