https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/11768564Edit ImageSaveSaveEditCropCustom TextAirplane, artillery gun, and soldiers (1917) by Edward PenfieldOriginal public domain image from Library of CongressMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall 867 x 992 px | 300 dpiTIFF 867 x 992 px | 300 dpi | 2.49 MBFree DownloadAirplane, artillery gun, and soldiers (1917) by Edward PenfieldMore