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.
Waterknot of Leipzig Nahle. en The Waterknot of Leipzig with the Nahle in red de Der Leipziger Gewsserknoten mit der Nahle rot dargestellt own Wolf Cczero Nahle
Page 2023 Free-images.com. All images are Public Domain