Public domain
The Roman Catacombs at Valkenburg. The Capella Graeca in the Priscilla Catacomb
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Credit lineDe Romeinsche Katakomben te Valkenburg. De Capella Graeca in de Priscillakatakombe. 1905 - c. 1930. anonymous. Rijksmuseum, Amsterdam. Public domain.