Ключевые слова: alpine, alps, ark dam, barrage, concrete dam, energy, europe, give, high mountains, hiking, hydroelectric, lake, landscape, martigny, mauvoisin, mauvoisin lake, mountain, mountain lake, mountains, natural, nature, off the beaten track, panorama, picturesque, scenery, swiss, switzerland, tourism, travel, val de bagnes, valais, valley, wallis, water dam, water reservoir,