view of the pyrenean 'monte perdido' glacier from the marbore or tuca roya valley, vertical photo

glacier ice spain moraine geology valley pyrenees ordesa wild mountain outdoors environment climatic change climate crisis melting deglaciation landscape peak countryside snowfield landscapes snowy europe rocks national park rocky ssummit scenery aragon winter tourism range majestic mountains monte perdido summit view pyrenean 'monte perdido' marborã© tuca roya vertical glacier' clear recession expected disappear years marbore valley