Lunatic asylum (once a convent), Granada: gateway. Photograph, ca.1900. https://www.rawpixel.com/image/13981836/lunatic-asylum-once-convent-granada-gateway-photograph-ca1900Free Image from public domain licenseThe entrance to a temple (a portico with an arch) representing access to the Bible. Engraving after John Chantry, 1683. https://www.rawpixel.com/image/13986693/image-paper-person-bookFree Image from public domain license