Ключевые слова: 3d illustration, 3d rendering, air, atmosphere, background, black, bright, burn, chemical, chimney, climate, coal, colorful, contamination, contrast, damage, danger, dense, dioxide, ecology, emission, energy, environment, environmental, exhaust, factory, fog, fumes, gas, heavy, industry, manufacturing, nature, pipe, plant, pollution, power, refinery, smog, smoke, smoking, steam, technology, toxic, warming,