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.
Klner Stadtmauer und Wichhser Hhe Kahlenhausen um . Ausschnitt des Mercator Stadtplanes Kln Bereich Kahlenhausen um Cutout of old city map th century Cologne Scan by HOWI Creator Arnold Mercator PDold Klner Stadtansicht von
Page 2023 Free-images.com. All images are Public Domain