Public domain
Cathedral of Chartres - Flying Buttresses of the Apse, South Side
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Credit lineCathédrale de Chartres - Arcs Boutants de l'Abside, côté sud. c. 1920 - 1932. anonymous. Rijksmuseum, Amsterdam. Public domain.