https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14015851Edit ImageSaveSaveEditCropCustom TextAn outdoor pen of five pigs with the interior of a farm shed behind. Etching by R. Hills, ca 1815.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 918 x 1200 px | 300 dpiLarge JPEG 2350 x 3073 px | 300 dpiFree DownloadAn outdoor pen of five pigs with the interior of a farm shed behind. Etching by R. Hills, ca 1815.More