Fountains Abbey, Entrance to Chapter House by James Valentine https://www.rawpixel.com/image/14317705/fountains-abbey-entrance-chapter-house-james-valentineFree Image from public domain licenseAltarpiece of the Patron Saints of Cologne by Stefan Lochner, center panel https://www.rawpixel.com/image/14316830/altarpiece-the-patron-saints-cologne-stefan-lochner-center-panelFree Image from public domain licenseAltarpiece of the Patron Saints of Cologne by Stefan Lochner, side panel https://www.rawpixel.com/image/14316864/altarpiece-the-patron-saints-cologne-stefan-lochner-side-panelFree Image from public domain license