Public domain photos

The image shows a group of men in military uniforms wearing gas masks standing in a line. On the right side of the image, there is a person standing on the floor, and in the background there are walls, windows, lights, pipes, and other objects.

The image shows a group of men in military uniforms wearing gas masks standing in a line. On the right side of the image, there is a person standing on the floor, and in the background there are walls, windows, lights, pipes, and other objects.Open in library