https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996620Edit ImageSaveSaveEditCropCustom TextLiverpool: a railway tunnel cut into the mountain side with men working on scaffolding above and cutting stone below. Engraving by C. and G. Pyne after J. Davies.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 774 px | 300 dpiLarge JPEG 3325 x 2144 px | 300 dpiFree DownloadLiverpool: a railway tunnel cut into the mountain side with men working on scaffolding above and cutting stone below. Engraving by C. and G. Pyne after J. Davies.More