Ключевые слова: abstract, alternative, architecture, background, blur, business, city, concept, design, eco, ecology, electric, electricity, engine, environmental, fast, friendly, future, futuristic, green, growth, high, house, illustration, industrial, innovation, locomotive, modern, motion, power, rail, railroad, railway, renewable, skyscraper, speed, station, subway, sustainable, symbol, technology, track, traffic, train, transport, transportation, travel, tree, urban, vehicle,