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