Ключевые слова: acid, air, background, blue, chemical, chimney, desert, ecology, emissions, enterprise, environment, europe, factory, fertilizers, futuristic, global, green, heap, hill, hills, industrial, industry, lake, landscape, manufacturing, mountain, nature, nobody, outdoor, petrochemical, phosphogypsum, phosphoric, phosphorus, pile, pipe, plant, pollution, production, rock, scene, sky, stone, summer, technology, urban, view, waste, water, white,