https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990731Edit ImageSaveSaveEditCropCustom TextAscending and descending: (above) people in a balloon; (below) people seated in a rotunda around a pool and in danger of falling into the water. Etching by George Cruikshank, 1842.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 789 x 1200 px | 300 dpiLarge JPEG 1300 x 1976 px | 300 dpiFree DownloadAscending and descending: (above) people in a balloon; (below) people seated in a rotunda around a pool and in danger of falling into the water. Etching by George Cruikshank, 1842.More