<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caf5ac3f09b_-_air-force-expo-01-0912-lgn.jpg>
<http://www.popularmechanics.com/military/weapons/g935/flying-humvees-and-cluster-bombs-from-the-air-force-expo-12858520/>