https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13963768Edit ImageSaveSaveEditCropCustom TextExperiments in physiology. Facial expressions; AmazementOriginal public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 993 x 1200 px | 300 dpiLarge JPEG 2896 x 3500 px | 300 dpiBest Quality JPEG 3048 x 3684 px | 300 dpiFree DownloadExperiments in physiology. Facial expressions; AmazementMore