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.
Burg Luerken Codex Welser. Abbildung der Burg Lrken im Codex Welser albertswebseite de htm Welser PDold Burg Lrken Drawings of castles in North RhineWestphalia
Page 2023 Free-images.com. All images are Public Domain