The remains of the medieval priory of St Oswald near Glouster (Gloucestershire, Great Britain). The church was originally built c. 900 CE by Aethelflaed, Lady of the Mercians (r. 911-918 CE), and her husband Aethelred.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Philip Halling. Uploaded by Emma Groeneveld, published on 05 March 2018 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.