Aerial flyover over a hiker overlooking the Allalin and Hohlaub glacier with Allalinhorn peak in view near Saas-Fee in Valais, Switzerland with a pan down view down the cliff to the ice and crevasses

switzerland glacier alps drone valais mountains nature landscape aerial ice viewpoint hiker hiking saasfee hike wallis alpine swiss europe summer sunset travel climate change environment adventure frozen 4k icy mountaineer climber tourism crevasse climate outdoors fly wanderlust peaceful cold dramatic view allalin allalinhorn allalingletscher hohlaub melting wild sunny cliff sign