panoramic drone shot of a water dam on lac chambon in french alps

bridge waterway infrastructure transport reservoir river vehicle track terrain highway coast road cliff overpass freeway geology water panoramic drone shot dam lac chambon french alps active alpes alps mountains summer background barrage beautiful blue sky chambon clouds environment europe forest france hiking isere lake long exposition mountain mountain peaks national park nature outdoor peak trip scenery scenic scenic landscape season spring summer trip sunny travel trekking vacation view dam alp woods