https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13959413Edit ImageSaveSaveEditCropCustom TextCrowds outside the mosque of Sultan Hassan, Egypt. Coloured lithograph by Louis Haghe after David Roberts, 1849.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 806 px | 300 dpiLarge JPEG 3225 x 2166 px | 300 dpiFree DownloadCrowds outside the mosque of Sultan Hassan, Egypt. Coloured lithograph by Louis Haghe after David Roberts, 1849.More