<https://www.youtube.com/watch?v=jt-8tAXpSQw#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://attivo.tv/inaugurato-il-grattacielo-sdraiato-di-wpp-sviluppo-orizzontale-nuovo-simbolo-di-milano/>