<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caa9e3ce1e8_-_skate-liftoff_500_0710-lg.jpg>
<http://www.popularmechanics.com/military/g346/uav-pictures-at-farnborough-airshow/>