<http://schema.org/mainEntityOfPage>
<http://www.roadandtrack.com/car-shows/frankfurt-auto-show/news/g4003/photos-audi-sport-quattro-concept-franfurt/True>
<http://www.roadandtrack.com/car-shows/frankfurt-auto-show/news/g4003/photos-audi-sport-quattro-concept-franfurt/>