Ключевые слова: alternative, atmosphere, beautiful, blade, blue, clean, climate, cloud, cloudy, cold, countryside, crystal, day, ecology, electricity, energy, environment, field, frost, frosty, frozen, generate, generator, generators, hoarfrost, landscape, metal, mill, nature, outdoors, power, propeller, quiet, renewable, rotate, sky, snow, spin, sustainability, sustainable, technology, tree, turbine, white, wind, windmill, wing, winter,