<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x598/546a76253d5fd_-_1955-20porsche-20550-20spyder-jl-0009-lg.jpg>
<http://www.roadandtrack.com/car-shows/news/g5637/photos-1955-porsche-550-spyder/>