<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/flight/drones/how-to/a9598/the-art-of-flying-your-very-own-drone-16068825/>