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.
Karteko. Map of Koblenz from Stadtarchiv Koblenz Author PDArt Festung Koblenz Bridges in Koblenz Floating bridge in Koblenz Maps of Koblenz Railway bridges in RhinelandPalatinate Maps of fortifications City walls in Koblenz Historical images of Deutsches Eck
Page 2023 Free-images.com. All images are Public Domain