https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969244
The magi sheltering in a cave on the way to Bethlehem; here representing mercury converted into sulphur, at the moment of its fixation in the alchemical process. Coloured etching after etching, 17th century.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use