Public domain photos

The image shows two yellow electronic devices attached to two grey poles on the side of a road. The devices appear to be a signal box, with a red light on top of it. The background is slightly blurred, giving the image a sense of depth.

The image shows two yellow electronic devices attached to two grey poles on the side of a road. The devices appear to be a signal box, with a red light on top of it. The background is slightly blurred, giving the image a sense of depth.Open in library