Ключевые слова: alternative, backdrop, background, business, cell, concept, conservation, country, countryside, ecological, ecology, electric, electrical, electricity, energy, environment, environmental, equipment, generation, global, industry, landscape, light, modern, morning, motor, nature, panel, power, renewable, rise, safe, sky, source, summer, sun, sunlight, sunny, sunrise, sunset, supply, system, technology, turbine, wind, wind power,