Ключевые слова: alternative energy, back lit, blade, dirt road, electricity, environment, environmental conservation, eolic, fuel and power generation, hill, horizon, horizon over land, horizontal, landscape, mountain, mountain ridge, nature, pays basque, propeller, recycling, renewable energy, river, silhouette, sky, sun, sunlight, sunset, sustainable resources, technology, tower, turbine, turning, wind, wind turbine,