https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998326Edit ImageSaveSaveEditCropCustom TextMettray penal colony, Mettray, France: a swimming school. Lithograph by Tirpenne & Faivre after A. Thierry.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 809 px | 300 dpiLarge JPEG 3306 x 2230 px | 300 dpiFree DownloadMettray penal colony, Mettray, France: a swimming school. Lithograph by Tirpenne & Faivre after A. Thierry.More