<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cab8681ef11_-_big-bird-300-md.jpg>
<http://www.popularmechanics.com/space/moon-mars/a6545/china-moon-military-war-in-space/>