https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13965518Edit ImageSaveSaveEditCropCustom TextA man grading tea leaves by sieving them into one of two compartments in a special work table. Painting by a Chinese artist, ca. 1850.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 875 px | 300 dpiLarge JPEG 3120 x 2276 px | 300 dpiFree DownloadA man grading tea leaves by sieving them into one of two compartments in a special work table. Painting by a Chinese artist, ca. 1850.More