early autumn remains of the alpine glacier vardet da grialetsch in the albula alps mountain massif, zernez

early autumn remains alpine glacier vardet grialetsch albula alps mountain massif zernez canton grisons switzerland kanton graubuenden schweiz water adventure background beautiful blue climate change climbing cloud cold ecology environment europe extreme glacial global warming high hike hiking hill ice landscape mountains natural nature outdoor outdoors panorama panoramic pass peace peak range rock scenery scenic season sky snow stone summer summit swiss top view white wild