Ключевые слова: background, beautiful, blue, chemical, cloud, contaminated, contamination, danger, destruction, dirty, dusk, ecology, electricity, energy, environment, environmental, evening, factory, green, industrial, industry, infrastructure, lake, liquid, morning, nature, orange, poisonous, pollute, polluted, pollution, pond, power, provider, pylon, red, river, sky, station, sun, sunrise, sunset, technology, tower, toxic, utility, waste, water, yellow,