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:
Chor der niedergelegten Pfarrkirche Merten um. Drawing of the former romanesque choir Saint Martin in Merten Bornheim North RhineWestphalia Germany de Skizze des Chorzustandes der niedergelegten Mertener Pfarrkirche St Martinus im Jahr Paul Clemen Die Kunstdenkmler der Stadt und des Kreises Bonn Ludwig Arntz before Friedhofskapelle