https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13968768Edit ImageSaveSaveEditCropCustom TextSêrro do Frio, Minas Gerais, Brazil: slaves washing soil for diamonds, supervised by men with whips. Coloured aquatint by D. Klemi-Bonatti, 1821, after J. Mawe.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1026 x 1200 px | 300 dpiLarge JPEG 1283 x 1501 px | 300 dpiFree DownloadSêrro do Frio, Minas Gerais, Brazil: slaves washing soil for diamonds, supervised by men with whips. Coloured aquatint by D. Klemi-Bonatti, 1821, after J. Mawe.More