<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb0f39f3d4a_-_8-electrocopters-07-0413-de.jpg>
<http://www.popularmechanics.com/flight/drones/g1163/8-electrocopters-coming-to-conquer-the-skies/>