Ключевые слова: alternative, back, background, blade, blue, child, clean, conservation, development, ecology, efficiency, electricity, energy, environment, environmental, environmental conservation, farm, field, generate, grass, green, horizontal, industrial, innovation, landscape, meadow, mill, nature, outdoors, people, power, propeller, renewable, resource, rotate, run, running, sky, social issues, summer, sunset, sustainability, technology, turbine, white, wind, wind power, wind turbine, windmill, woman,