https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955352Edit ImageSaveSaveEditCropCustom TextCivil engineering: the Pont Cysylte aqueduct, the aqueduct at Pyrgos, the aqueduct at Roquefavour and the Colosseum at Rome. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 636 px | 300 dpiLarge JPEG 3500 x 1856 px | 300 dpiBest Quality JPEG 3711 x 1968 px | 300 dpiFree DownloadCivil engineering: the Pont Cysylte aqueduct, the aqueduct at Pyrgos, the aqueduct at Roquefavour and the Colosseum at Rome. Engraving.More