Public domain photos

The image shows a group of people sitting in a lecture hall, with a wall in the background and a ceiling with lights at the top. In the center of the room, there is a man and a boy, both of whom appear to be engaged in conversation.

The image shows a group of people sitting in a lecture hall, with a wall in the background and a ceiling with lights at the top. In the center of the room, there is a man and a boy, both of whom appear to be engaged in conversation.Open in library