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.
GrundrissSchwanenburg. Description Floor plan of the Schwanenburg in Cleves colored pen drawing Date Source heimatkleve de Author Brix Photographer Rainer Hoymann PDold Plans of Schwanenburg Kleve
Page 2023 Free-images.com. All images are Public Domain