<https://i2.wp.com/www.alietvalles.com/media/k2/items/cache/f50e2b492317c6f75474015f1cb554f0_M.jpg>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.juliehilden.com/es/cuadro-de-goya-3-de-mayo.html>