Ключевые слова: alternative, beautful, big, blade, blue, calm, cloud, clouds, dusk, earth, earth day, electric, electricity, energy, environment, environment friendly, environmental, evening, evening light, field, green, kumla, landscape, late, mill, narke, nature, night, northern, orange, orebro, outdoor, power, power plant, power source, powerful, propeller, renewable, rotate, rural, scandinavia, sky, summer, sun, sunset, sustainable, sweden, technology, tower, turbine, wind, wind turbine, windmill, windmills,