https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/7636467Edit ImageSaveSaveEditCropCustom Text[Battle at the machine works, Tʻien-chin, China]. Original from the Library of Congress.View public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 903 px | 300 dpiLarge JPEG 3500 x 2635 px | 300 dpiBest Quality JPEG 10631 x 8004 px | 300 dpiTIFF 10631 x 8004 px | 300 dpi | 243.48 MBFree Download[Battle at the machine works, Tʻien-chin, China]. Original from the Library of Congress.More