Oberaargletscher 1922 and 2023 with the small but well developped moraine from the Little Ice Age at bottom right. The old location could not be reached because it is now flooded by the lake (1922 image: ETH-Bibliothek Zurich, Bildarchiv, photographer: Paul-Louis Mercanton, Hs_1458-GK-B050-1922-0001-F, CC BY-SA 4.0; 2023: Alean).