https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13993378Edit ImageSaveSaveEditCropCustom TextUnknown location. Photograph, 1981, from a negative by John Thomson, 1866.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 601 px | 300 dpiLarge JPEG 3500 x 1752 px | 300 dpiBest Quality JPEG 3764 x 1884 px | 300 dpiFree DownloadUnknown location. Photograph, 1981, from a negative by John Thomson, 1866.More