Public domain photos

The image shows a drawing of a spiral staircase on a piece of paper. The drawing is detailed and shows the steps of the staircase, with each step clearly labeled and numbered. The paper also has some text written on it, likely providing further information about the staircase.

The image shows a drawing of a spiral staircase on a piece of paper. The drawing is detailed and shows the steps of the staircase, with each step clearly labeled and numbered. The paper also has some text written on it, likely providing further information about the staircase.Open in library