This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Bleuler Rheinwaldgletscher. de Hinterrhein Phantasieansicht einer berquerung eines Gletschers am de Rheinwaldhorn auf der Leiter de Placidus Spescha Kol Acquatinta von de Johann Ludwig Bleuler Graubnden in alten Ansichten Rtisches Museum Chur Johann Ludwig Bleuler upload by Adrian Michael Placidus Spescha Rheinwaldhorn Johann