Ключевые слова: aerial, alternative, background, below view, blades, blue, clouds, cloudy, concept, day, drone, eco, ecology, efficiency, electric, electrical, electricity, energy, environment, environmental, field, generator, green, green energy, industrial, industry, low angle, nature, one, outdoors, park, plant, power, propeller, renewable, rotor, single, sky, sunny, sustainable, technology, turbine, white, wind, wind turbine, windmill,