https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13970718Edit ImageSaveSaveEditCropCustom TextAurora Borealis. Coloured wood engraving by C. Whymper.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 999 x 1200 px | 300 dpiLarge JPEG 2913 x 3500 px | 300 dpiBest Quality JPEG 5948 x 7146 px | 300 dpiFree DownloadAurora Borealis. Coloured wood engraving by C. Whymper.More