https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13972691Edit ImageSaveSaveEditCropCustom TextHand-cleared ditch in a grassy field; 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 875 px | 300 dpiLarge JPEG 3106 x 2265 px | 300 dpiFree DownloadHand-cleared ditch in a grassy field; Panama Canal construction work. Photograph, 1910.More