Public domain photos

The image shows an old book with a drawing of a tunnel on its cover. Inside the tunnel, there are a few people standing and sitting on the floor, as well as poles and arches. At the bottom of the image, there is some text.

The image shows an old book with a drawing of a tunnel on its cover. Inside the tunnel, there are a few people standing and sitting on the floor, as well as poles and arches. At the bottom of the image, there is some text.Open in library