<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/320x192/546add79892c5_-_2009_audi_a4_avant_-_image_004-lg.jpg>
<http://www.roadandtrack.com/car-shows/geneva-auto-show/news/g2923/photos-2009-audi-a4-avant/>