https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14013676
Boys bathing in the river by the playing fields, Eton College, Berkshire. Line engraving by J.T. Willmore after J.D. Harding.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use