https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000410
Chinese men seeking alms by threatening to kill themselves by self-mutilation}: (left to right) two men hitting their heads against each other; a man kneeling to hit his head against a rock; a man with burning herbs on his head; a standing man hitting his head with a rock. Engraving after J. Nieuhof.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use