https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13987274
A horseman showing four different dressage exercises with his horse, including a basic gait, a circle to the right, and a piroutte. Etching by C. Parrocel.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use