https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13961625Edit ImageSaveSaveEditCropCustom TextHumans shown in their relationships with their pet animals, including a man trying to teach his crow the principles of language and children snail racing. Coloured lithograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 877 px | 300 dpiLarge JPEG 3236 x 2364 px | 300 dpiFree DownloadHumans shown in their relationships with their pet animals, including a man trying to teach his crow the principles of language and children snail racing. Coloured lithograph.More