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.
Altbirnau Grundriss. Floor plan of Altbirnau ca Source Scanned from Ulrich Knapp Die Wallfahrtskirche Birnau Planungs und Baugeschichte Gessler Friedrichshafen ISBN PDArt Altbirnau Artworks missing infobox template
Page 2023 Free-images.com. All images are Public Domain