Ключевые слова: architecture, blue, building, city, color, colored, colorful, colour, coloured, colourful, colours, corridor, inside, interior, metro, metro station, modern, motley, multicolored, passenger, platform, public, rail, railroad, railway, rainbow, speed, station, subway, tourism, train, transit, transport, transportation, travel, tube, tunnel, underground, urban, varicolored, varicoloured, variegated,