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.
Keywords from Image Description:
PiranesiTomo. Inscription on Porta Metronia in Rome Image from Index to the table II of Le antichit Romane Opere di Giovanni Battista Piranesi Francesco Piranesi d'altri published by Firmin Didot Freres Paris coe utokyo ac jp html scans Creator Giovanni Battista Piranesi PDold File Porta Metronia Back Porta Metronia Rome Etchings