<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cc122a14dd1_-_porsche-918-spyder-06-0513-de.jpg>
<http://www.popularmechanics.com/cars/hybrid-electric/reviews/g1771/porsche-918-spyder-the-shape-of-supercars-to-come/>