<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/640x360/546b77fce1b8a_-_2012-audi-a6-l-e-tron-concept-01-lg.jpg>
<http://www.roadandtrack.com/car-shows/beijing-auto-show/news/a18192/2012-audi-a6-l-e-tron-concept-1/?src=global_footer>