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.
Keywords from Image Description:
Frankfurt Am MainAlte NikolaikircheGrundriss. en Frankfurt on the Main Old Saint Nicholas Church floor plan de Frankfurt am Main Grundriss der Alten Nikolaikirche Carl Wolff Rudolf Jung Die Baudenkmler von Frankfurt am Main Band Kirchenbauten Selbstverlag Frankfurt am Main Stdtische Hochbauinspektion II Vektorisierung Retusche