Aerial flyover over the turquoise glacial lake at Hohlaub glacier near Saas-Fee in Valais, Switzerland with a pan up view from an overhead view of the water up to the ice crevasses and mountain peaks

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 tourism crevasse climate outdoors fly mountain wanderlust calm peaceful peak cold wilderness sunrise dramatic view cliff lake turquoise hohlaub hohlaubgletscher allalin