Ключевые слова: alternative, background, blade, close, closeup, concept, copy, copy space, cut, cutout, day, detail, earth, earth day, eco, eco friendly, ecofriendly, electricity, energy, environment, environmental, friendly, generation, generator, green, isolated, metal, mill, nobody, one, power, propeller, renewable, resource, single, space, square, sustainable, technology, tower, turbine, up, white, wind, wind turbine, windmill, windpower, windturbine,