https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13958382Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsFour specimens of tufa from the quarries near the Grotto of Posillipo. Coloured etching by Pietro Fabris, 1776.MoreFour specimens of tufa from the quarries near the Grotto of Posillipo. Coloured etching by Pietro Fabris, 1776.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 644 px | 300 dpiLarge JPEG 3500 x 1880 px | 300 dpiBest Quality JPEG 3614 x 1941 px | 300 dpiFree Download