Public domain photos

The image shows a drawing of a floor plan of a building on a piece of paper with text written on it. At the bottom of the paper, there is a color scale with different colors, indicating the layout of the building.

The image shows a drawing of a floor plan of a building on a piece of paper with text written on it. At the bottom of the paper, there is a color scale with different colors, indicating the layout of the building.Open in library