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:
Castello d'Ussel pianta fig disegno nigra lug . Valle d'Aosta Italia Castello d'Ussel pianta Carlo Nigra Torri castelli case forti del Piemonte dal al secolo XVI La Valle d'Aosta Musumeci figura Carlo Nigra PDold PDold Plans of castles and towers by Carlo Nigra Castello di Ussel Torri castelli case forti del Piemonte dal al