Public domain photos

The image shows a group of men sitting around a table in front of a blackboard. On the left side of the image, there is a person standing on the floor, and on the table there are various objects. The image is in black and white.

The image shows a group of men sitting around a table in front of a blackboard. On the left side of the image, there is a person standing on the floor, and on the table there are various objects. The image is in black and white.Open in library