https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12150532Edit ImageSaveSaveEditCropCustom TextExcavation for the sewage disposal plant. San Diego, California by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 918 px | 300 dpiLarge JPEG 3500 x 2677 px | 300 dpiBest Quality JPEG 13966 x 10680 px | 300 dpiTIFF 13966 x 10680 px | 300 dpi | 284.73 MBFree DownloadExcavation for the sewage disposal plant. San Diego, California by Russell LeeMore