<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cabbe3c4576_-_flying_car_01_0111-md.jpg>
<http://www.popularmechanics.com/flight/how-to/a6539/the-promising-future-for-flying-cars/>