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:
Castel Sant'Angelo Giovanni Battista Piranesi. Roma Fortificazioni volute da papa Alessandro VI difesa di Castel Sant'Angelo Antonio da Sangallo il Vecchio elab da darsenarte ante Incisione di Giovanni Battista Piranesi PDOld Original upload log it CastelSant AngeloPiranesi bytes Gianfranco no livelli elab da darsenarte