Rainbow over Cascais Bay, Cintra, Portugal by Francis Seymour Haden https://www.rawpixel.com/image/8986449/rainbow-over-cascais-bay-cintra-portugal-francis-seymour-hadenFree Image from public domain licenseKust bij Lissabon met de plaatsen Cascais en Bélem (1572) by Symon Novelanus, Frans Hogenberg, Joris Hoefnagel and Anna Beeck https://www.rawpixel.com/image/13749612/image-paper-cartoon-frameFree Image from public domain license