Public domain photos

The image shows a group of men in gas masks standing next to each other, with cylinders on their backs. In the background there is a wall, and at the top of the image there are lights illuminating the scene.

The image shows a group of men in gas masks standing next to each other, with cylinders on their backs. In the background there is a wall, and at the top of the image there are lights illuminating the scene.Open in library