https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014866Edit ImageSaveSaveEditCropCustom TextSlaves in the Sudan with their hands manacled in planks forced to walk across the desert by their captors and guards who are mounted on camels. Wood engraving after G. Montbard.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 908 px | 300 dpiLarge JPEG 3104 x 2349 px | 300 dpiFree DownloadSlaves in the Sudan with their hands manacled in planks forced to walk across the desert by their captors and guards who are mounted on camels. Wood engraving after G. Montbard.More