Ключевые слова: air, atmosphere, auto, automobile, background, car, city, closeup, cold, contamination, danger, dioxide, dirty, eco, ecology, effect, emission, energy, engine, environment, environmental, equipment, exhaust, finland, fog, frost, fumes, gas, gray, health, industry, metal, muffler, nature, old, pipe, pollution, power, road, smog, smoke, steam, tail, technology, traffic, transport, transportation, vehicle, wheel, winter,