Ключевые слова: air, atmosphere, backgrounds, blue, climate, cloud, coming, danger, dark, dramatic, dusk, electricity, environment, environmental, exploding, fire, fuel, generation, heat, landscape, large, meteorology, natural phenomenon, nature, night, outdoors, overcast, physical, pollution, power, rain, science, season, sky, smoke, storm, stratosphere, structure, summer, sun, sunlight, sunset, supply, technology, temperature, thunderstorm, weather, wind,