<https://gmauthority.com/blog/2010/11/rumormill-next-generation-sierra-hd-concept-to-debut-at-naias-2011/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://gmauthority.com/blog/2010/11/rumormill-next-generation-sierra-hd-concept-to-debut-at-naias-2011/>