Public domain photos

The image shows a black and white photo of a boat going through a lock, with stairs on the left side, a wall on the right side, and a few buildings in the background. The sky is visible at the top of the image.

The image shows a black and white photo of a boat going through a lock, with stairs on the left side, a wall on the right side, and a few buildings in the background. The sky is visible at the top of the image.Open in library