Ключевые слова: air, architecture, atmosphere, blue, building, chemical, chimney, city, climate, coal, construction, dawn, dirty, dusk, ecology, emission, energy, environment, exhaust, facility, factory, fuel, fume, fumes, gas, global, heat, heating plant, industrial, industry, landscape, light, morning, pipe, plant, pollution, power, reflection, river, sky, smog, smoke, station, steam, technology, tower, toxic, vapor, water, zagreb,