<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/16/31/640x320/landscape-1470337081-us07540227-20090602-d00006-1.png>
<http://www.popularmechanics.com/military/research/a22197/icbms-on-747s-plan/>