https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13991946Edit ImageSaveSaveEditCropCustom TextThree men in Madagascar have chains around them that join their necks and ankles. Process print.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 834 x 1200 px | 300 dpiLarge JPEG 2208 x 3177 px | 300 dpiFree DownloadThree men in Madagascar have chains around them that join their necks and ankles. Process print.More