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:
German Stained Glass Roundel with Jousting Scenes Walters . Walters Art Museum artwork Anonymous German br After Round or rectangular panels of stained glass added decoration as well as changing colored light patterns to room They were set into larger windows made up of small segments of clear glass in either diamond or round bull'seye