Public domain photos

The image shows a group of people wearing green jackets and holding shovels in their hands, standing in front of a pile of black coal. In the background, there is a building with glass windows, a tree, and a yellow banner with writing on it.

The image shows a group of people wearing green jackets and holding shovels in their hands, standing in front of a pile of black coal. In the background, there is a building with glass windows, a tree, and a yellow banner with writing on it.Open in library