https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962464Edit ImageSaveSaveEditCropCustom TextWorld War I: soldiers in front of a bunker shelter. Watercolour by Walter Spradbery.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 731 px | 300 dpiLarge JPEG 3500 x 2133 px | 300 dpiBest Quality JPEG 3596 x 2192 px | 300 dpiFree DownloadWorld War I: soldiers in front of a bunker shelter. Watercolour by Walter Spradbery.More