Public domain photos

The image shows a black and white photo of a coal mine, with a few buildings, poles, and mountains in the background. The sky is visible at the top of the image, and there is some text at the bottom.

The image shows a black and white photo of a coal mine, with a few buildings, poles, and mountains in the background. The sky is visible at the top of the image, and there is some text at the bottom.Open in library