Downward slope of snow with several trees and mountains. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295899/free-photo-image-abies-aletsch-glacier-alpsFree Image from public domain licenseGeology: the Great Aletsch glacier and the Märjelensee in the Valais. Lithograph by E. Cicéri, 1862, after F. Martens. https://www.rawpixel.com/image/13998715/image-sky-water-mountainFree Image from public domain licenseMedial Moraine on the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14322862/medial-moraine-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseThe Nesthorn from the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14315667/the-nesthorn-from-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseThe Ober Aletsch Glacier from the Sparrenhorn by Ernest H Edwards https://www.rawpixel.com/image/14320607/the-ober-aletsch-glacier-from-the-sparrenhorn-ernest-edwardsFree Image from public domain licenseThe Nesthorn from the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14320900/the-nesthorn-from-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseThe Ober Aletsch Glacier from the Sparrenhorn by Ernest H Edwards https://www.rawpixel.com/image/14321227/the-ober-aletsch-glacier-from-the-sparrenhorn-ernest-edwardsFree Image from public domain licenseThe Nesthorn from the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14321046/the-nesthorn-from-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseThe Ober Aletsch Glacier from the Sparrenhorn by Ernest H Edwards https://www.rawpixel.com/image/14322607/the-ober-aletsch-glacier-from-the-sparrenhorn-ernest-edwardsFree Image from public domain licenseMedial Moraine on the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14320046/medial-moraine-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseMedial Moraine on the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14320856/medial-moraine-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseMedial Moraine on the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14314599/medial-moraine-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain licenseThe Ober Aletsch Glacier from the Sparrenhorn by Ernest H Edwards https://www.rawpixel.com/image/14315810/the-ober-aletsch-glacier-from-the-sparrenhorn-ernest-edwardsFree Image from public domain licenseThe Nesthorn from the Ober Aletsch Glacier by Ernest H Edwards https://www.rawpixel.com/image/14323680/the-nesthorn-from-the-ober-aletsch-glacier-ernest-edwardsFree Image from public domain license