https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13965088Edit ImageSaveSaveEditCropCustom TextDavid Livingstone. Colour lithograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 987 x 1200 px | 300 dpiLarge JPEG 2428 x 2952 px | 300 dpiFree DownloadDavid Livingstone. Colour lithograph.More