https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13967551Edit ImageSaveSaveEditCropCustom TextTwo monkeys, one of which is standing on a tree branch. Chromolithograph by F. Gerasch after A. Gerasch, 1860/1880.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 861 x 1200 px | 300 dpiLarge JPEG 2250 x 3136 px | 300 dpiFree DownloadTwo monkeys, one of which is standing on a tree branch. Chromolithograph by F. Gerasch after A. Gerasch, 1860/1880.More