https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980748Edit ImageSaveSaveEditCropCustom TextTwo outlines of faces expressing joy (left) and the movement of the face in sadness (right). Etching by B. Picart, 1713, after C. Le Brun.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 771 px | 300 dpiLarge JPEG 3325 x 2135 px | 300 dpiFree DownloadTwo outlines of faces expressing joy (left) and the movement of the face in sadness (right). Etching by B. Picart, 1713, after C. Le Brun.More