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.
Plan.abbaye.Saint.Gall. Plan de l'abbaye de SaintGall d'aprs un dessin du IXe sicle Issu du Dictionnaire raisonn de l'architecture franaise du XIe au XVIe sicle par Eugne ViolletLeDuc Medieval architecture
Page 2023 Free-images.com. All images are Public Domain