Ключевые слова: architecture, background, blue, building, business, chemical, city, color, construction, dawn, dusk, energy, environment, evening, factory, fuel, gas, horizontal, industry, landscape, large, light, manufacturing, metal, modern, morning, night, oil, outdoor, petrochemical, pipeline, plant, pollution, power, production, refinery, reflection, river, sky, skyline, steam, sunrise, sunset, technology, tower, travel, twilight, view, water,