https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955486Edit ImageSaveSaveEditCropCustom TextCrowds of people are watching in the streets as a balloon leaves the ground. Coloured etching after Char. de Lovinier.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 797 x 1200 px | 300 dpiLarge JPEG 1180 x 1777 px | 300 dpiFree DownloadCrowds of people are watching in the streets as a balloon leaves the ground. Coloured etching after Char. de Lovinier.More