CC0 · no rights reserved
The Pier with Chains, plate 16 from Imaginary Prisons
From the collection of Art Institute of Chicago. Free to download, adapt and use — no permission needed.
Credit lineThe Pier with Chains, plate 16 from Imaginary Prisons. c. 1750. Giovanni Battista Piranesi, Italian, 1720-1778. The Art Institute of Chicago, Clarence Buckingham Collection. CC0.