Ключевые слова: agriculture, alternative, altitude, beautiful, blue, clean, conservation, country, countryside, ecological, ecology, electric, electricity, energy, environment, environmental, europe, field, flight, forest, generate, generation, generator, germany, green, hill, industry, landscape, meadow, mill, mountain, nature, panorama, power, renewable, rhinelandpalatinate, rural, scenery, sky, station, sustainable, technology, turbine, view, wind, windmill,