<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/40/640x320/landscape-1443564699-chinese-aircraft-carrier.png>
<http://www.popularmechanics.com/military/navy-ships/news/a17596/chinas-got-a-mystery-ship/>