<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caaba123ab6_-_u2_fate_03_0710-lg-37476991.jpg>
<http://www.popularmechanics.com/military/g337/sad-fate-of-a-u2-spy-plane/>