A series of lines radiating from a drilled hole were unearthed on two stones at the remains of a church in Stoke Mandeville, Buckinghamshire. Historians believe the markings are 12th Century “witches’ marks” created to protect against spirits by trapping them in an endless line or maze.
https://www.bbc.co.uk/news/uk-england-beds-bucks-herts-54629930
(Photo courtesy of The Guardian)
