Zal Climbing to Rudaba, page from a copy of the Shahnama of Firdausi by Islamic https://www.rawpixel.com/image/8945172/zal-climbing-rudaba-page-from-copy-the-shahnama-firdausi-islamicFree Image from public domain licenseView of the Campidoglio with the Statue of Marcus Aurelius by Hubert Robert https://www.rawpixel.com/image/9612489/view-the-campidoglio-with-the-statue-marcus-aurelius-hubert-robertFree Image from public domain licenseAntique Ruins (recto); An Animated Landscape (verso) by Willem Schellinks https://www.rawpixel.com/image/14262761/antique-ruins-recto-animated-landscape-verso-willem-schellinksFree Image from public domain licenseThe Arch of Septimius Severus, Rome by Cornelis van Poelenburgh https://www.rawpixel.com/image/14246996/the-arch-septimius-severus-rome-cornelis-van-poelenburghFree Image from public domain license