https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951655Edit ImageSaveSaveEditCropCustom TextOpen earth draining of a swamp at Mount Hope; Panama Canal construction work. Photograph, 1910.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 865 px | 300 dpiLarge JPEG 3165 x 2281 px | 300 dpiFree DownloadOpen earth draining of a swamp at Mount Hope; Panama Canal construction work. Photograph, 1910.More