https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955855Edit ImageSaveSaveEditCropCustom TextTwo balloons in the air over boats in the water to which lines are attached from an anchoring system on the sea bed. Coloured wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1171 x 1200 px | 300 dpiLarge JPEG 2609 x 2674 px | 300 dpiFree DownloadTwo balloons in the air over boats in the water to which lines are attached from an anchoring system on the sea bed. Coloured wood engraving.More