Temple of Janus, plate 11 from Some Views of Triumphal Arches and other monuments by Giovanni Battista Piranesi https://www.rawpixel.com/image/8982433/image-paper-art-paintingFree Image from public domain licenseThe Age of Augustus, the Birth of Christ by Jean Léon Gérôme https://www.rawpixel.com/image/14263247/the-age-augustus-the-birth-christ-jean-leon-geromeFree Image from public domain licenseHarpies try to keep open the doors of the temple of Janus, but they are clubbed by Hercules. Coloured mezzotint by A.… https://www.rawpixel.com/image/13952924/image-person-art-manFree Image from public domain licenseHarpies try to keep open the doors of the temple of Janus, but they are clubbed by Hercules. Mezzotint by A. Blooteling… https://www.rawpixel.com/image/14004762/image-angel-cartoon-personFree Image from public domain licenseGezicht op de ruïnes van de Tempel van Jupiter Stator, het Amfitheater van Statilius Taurus en andere monumenten te Rome… https://www.rawpixel.com/image/13762182/image-paper-cloud-cartoonFree Image from public domain license