https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994515Edit ImageSaveSaveEditCropCustom TextCarpentry: the foundations for a bridge, laid on piles without a caisson. Engraving by Prevost after Lucotte.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 948 px | 300 dpiLarge JPEG 3000 x 2371 px | 300 dpiFree DownloadCarpentry: the foundations for a bridge, laid on piles without a caisson. Engraving by Prevost after Lucotte.More