<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/46/980x551/54695b26111d0_-_citroen-numero-9-concept-3-lg.jpg>
<http://www.roadandtrack.com/car-shows/beijing-auto-show/news/g265/photos-citroen-numero-9-concept/>