<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x598/546f5fb47f7b1_-_ny10-2011-porsche-cayenne-016-lg.jpg>
<http://www.roadandtrack.com/car-shows/new-york-auto-show/news/g5068/photos-2011-porsche-cayenne-1/>