Ключевые слова: air, atmosphere, blue, clear, community, construction, ecology, emissions, energy, environment, equipment, facility, factory, height, horizontal, industrial, industry, infrastructure, landscape, machinery, manufacturing, mountains, nature, operation, outdoor, pollution, power, process, production, red, region, resources, rural, scenery, sky, skyline, smokestacks, steam, steel, structure, sustainable, system, technology, vapor, view, weather, white, work,