Ключевые слова: background, bus, car, carbon, center, city, co2, commuters, concept, concrete, day, driving, environment, front, global, gridlock, high, highway, hour, jam, junction, jungle, lots, many, modern, motion, motorway, moving, polluted, pollution, private, public, queue, road, rush, scene, slow, taxi, theme, traffic, transport, travel, urban, vehicle, warming, way,