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.
PalazzoColonnaMarino. it Pianta del piano nobile di Palazzo Colonna Marino RM nel Castelli Romani anno XL PDold Palazzo Colonna Marino Plans of palaces in Italy
Page 2023 Free-images.com. All images are Public Domain