This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Piranesi. Mausoleum of Hadrian mm Castel Sant'Angelo Rome in art Ponte Sant'Angelo Rome in art Plans of Castel Sant'Angelo Rome Etchings by Giovanni Battista Piranesi
Page 2023 Free-images.com. All images are Public Domain