Ключевые слова: architecture, background, blue, business, city, commute, design, engine, fast, hall, icon, illustration, indoor, interior, isolated, journey, locomotive, metro, modern, motion, move, passenger, people, platform, public, rail, railroad, railway, road, silhouette, speed, station, steel, subway, symbol, track, traffic, train, tram, transit, transport, transportation, travel, underground, urban, vehicle, wagon, way, white,