<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/48/640x389/547be4c7be19d_-_mb-fuel-cell-cars_2-lg.jpg>
<http://www.roadandtrack.com/new-cars/car-technology/news/a1907/mercedes-benz-fuel-cell-cars-set-off-around-the-world-19442/>