alpine rock isla persa next to the autumn remains of the vardet da grialetsch glacier and in the albula alps mountain massif

alpine rock isla persa next autumn remains vardet grialetsch glacier albula alps mountain massif zernez canton grisons switzerland kanton graubuenden schweiz adventure alp background beautiful blue cliff climb climbing destination environment geology grass green high hiking hill landscape mount mountains natural nature outdoor outdoors panorama peak pile rocky scenery scenic silver sky snow stone stones summer summit sunny swiss top tourism travel trekking vacation valley view wilderness