Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain view of a mountain range, mountainous landscape, free to use, no copyright restrictions.
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions