Public domain photos

The image shows a group of men standing around each other in a room. Some of them are wearing helmets and gloves, while one person is holding a book. There is a ladder in the background, as well as boards with text, lights on the ceiling, and other objects.

The image shows a group of men standing around each other in a room. Some of them are wearing helmets and gloves, while one person is holding a book. There is a ladder in the background, as well as boards with text, lights on the ceiling, and other objects.Open in library