Ключевые слова: area, chemical, chemistry, chimney, cloud, cloudscape, country, dark, darkness, ecological, ecology, enginneering, environment, environmental, factory, flare, golden, heaven, heavenly, impact, industry, landscape, lighting, orange, outdoor, plant, polluted, pollution, region, scenery, shadow, shine, silhouette, sky, skyline, smoke, smokestack, stack, sun, sundown, sunlight, sunny, sunrise, sunset, sunshine, technology, view, vista, works, yellow,