https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13973692Edit ImageSaveSaveEditCropCustom TextGeology: the Rhone glacier in the Valais. Engraving by C. Niquet the younger after J.S.D. Besson.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 798 px | 300 dpiLarge JPEG 3250 x 2161 px | 300 dpiFree DownloadGeology: the Rhone glacier in the Valais. Engraving by C. Niquet the younger after J.S.D. Besson.More