Lower part of Rhonegletscher, looking upglacier about 1880 and 2023. In the older picture, the glacier surface is still close to its maximum from the Little Ice Age (ETH-Bibliothek Zurich, Bildarchiv, photographer: Charnaux, Frères, Hs_1458-GK-B001-1880-0001, PD; 2023: Alean).