<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/1280x720/546b37aa0223a_-_045porsche_918_urbano-lg.jpg>
<http://www.roadandtrack.com/new-cars/videos/g4631/photos-porsche-918-spyder-performance-tests-urbano/>