https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13986864Edit ImageSaveSaveEditCropCustom TextA bull and a bulldog are about to attack each other in an enclosure while another bull is running away. Etching by F. Barlow.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 893 px | 300 dpiLarge JPEG 3103 x 2309 px | 300 dpiFree DownloadA bull and a bulldog are about to attack each other in an enclosure while another bull is running away. Etching by F. Barlow.More