https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988831Edit ImageSaveSaveEditCropCustom TextPeople making tar in the forests of Sweden. Etching after E. D. Clarke.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 900 px | 300 dpiLarge JPEG 3100 x 2325 px | 300 dpiFree DownloadPeople making tar in the forests of Sweden. Etching after E. D. Clarke.More