King Putraka in the Palace of the Beautiful Patali, Folio from a Kathasaritsagara (Ocean of the Streams of Stories) https://www.rawpixel.com/image/11932852/image-face-plant-personFree Image from public domain licenseStudy of a Bird. Original public domain image from the MET museum. https://www.rawpixel.com/image/7640187/original-public-domain-image-from-the-met-museumFree Image from public domain licenseTwee oude mannen en een jongeling, gezeten onder een boom aan het water (1600 - c. 1625) by Riza i Abbasi https://www.rawpixel.com/image/13746858/image-paper-face-frameFree Image from public domain license