Public domain photos

The image shows an open book with a drawing of a plan of a building on it. The book is open to a page with text and a detailed plan of the building. The background of the image is dark, giving the book a prominent focus.

The image shows an open book with a drawing of a plan of a building on it. The book is open to a page with text and a detailed plan of the building. The background of the image is dark, giving the book a prominent focus.Open in library