Ключевые слова: aerial, alcove, asphalt, background, beautiful, blue, cliff, clouds, concrete, dam, energy, estrela, europe, forest, glacier, granite, green, high, hill, hydroelectric, lake, landscape, mountain, natural, nature, outdoor, panoramic, park, peak, portugal, power, road, rock, rocks, scene, serra, sky, station, stone, summer, system, tourism, travel, view, water, wilderness,