Sun Dog V (1984) Perro del sol V poster by Lanny Sommese. Original public domain image from the Library of Congress. https://www.rawpixel.com/image/8854555/image-art-vintage-skyFree Image from public domain licenseBomen, heuvel en dak van boerderij (1826 - 1828) by Adrianus van der Koogh and Steuerwald and Co https://www.rawpixel.com/image/13765449/image-paper-plant-treeFree Image from public domain licenseCastle of Angenstein near Bâle by Sir John Joscelyn Coghill https://www.rawpixel.com/image/14319579/castle-angenstein-near-bale-sir-john-joscelyn-coghillFree Image from public domain licenseCourtille du Palais Ducal, a Venise by Claude Marie Ferrier https://www.rawpixel.com/image/14274905/courtille-palais-ducal-venise-claude-marie-ferrierFree Image from public domain licenseTwo men indoors under a thatched roof, smoking and drinking; representing pastimes in winter. Etching by F. Basan after A.… https://www.rawpixel.com/image/14000680/image-dog-cat-cartoonFree Image from public domain licensePavillon de l'Horloge au Louvre by François Alphonse Fortier and Louis Désiré Blanquart Evrard https://www.rawpixel.com/image/14273291/image-art-public-domain-paintingFree Image from public domain license