<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/768x516/54c80613ecfd8_-_cowboy-guns-05-0711-xln.jpg>
<http://www.popularmechanics.com/technology/gear/reviews/g65/1277316/>