Aerial drone footage flying low and close to a fast flowing river in a glacial valley surrounded by a steep and dramatic mountain landscape with residual patches of snow in Switzerland

mountain river glacial valley river wilderness mountainous mountains mountain flowing landscape mountaineering steep alpine swiss scenery ridge aerial footage vista adventure barren slope descending rugged picturesque jagged switzerland remote snow drift wonderlust long distance walking imposing meadow grey dji air 2s snow breathtaking aerial wild drone cloudy sky flying fast raging spine dramatic pass patchy rocky iconic