Public domain image of a historic building, 16th-17th century architecture, free to use, no copyright restrictions image - Picryl description.
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain illustrated book page scan, engraving, free to use art, no copyright restrictions image.
Public domain image of an architectural drawing from the Metropolitan Museum of Art, free to use, no copyright restrictions image - Picryl description.
Picryl description: Public domain image of an architectural drawing from the Metropolitan Museum of Art, free to use, no copyright restrictions.