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:
Pianta castello issogne nigra. pianta del pianterreno del Castello di Issogne Issogne Valle d'Aosta Italia Carlo Nigra Torri castelli case forti del Piemonte dal al secolo XVI La Valle d'Aosta ed Musumeci Quart AO figura Carlo Nigra PDold Castello di Issogne Plans of castles and towers by Carlo Nigra PDold Torri castelli case