Ключевые слова: air, apocalypse, building, chemical, chimney, city, clouds, coal, coast, danger, disaster, ecology, electricity, energy, environment, factory, fog, fumes, gas, global, industrial, industry, landscape, men, military, morning, nature, nuclear, oil, pipe, plant, pollution, power, protection, protective, river, safety, sky, smog, smoke, soldier, steam, storm, sunrise, sunset, toxic, war, wave, weather,