https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951016
A rider and his horse trying to cross a small stream. Coloured line block after an engraving by C. Tomkins after W. J. Shayer.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use