Aerial drone footage reversing upwards through a dramatic glacial valley surrounded by a steep mountains and pine trees with patches of snow and an alpine river in Switzerland

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