<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c8754bca4a6_-_brunton-orion-lantern-0607.jpg>
<http://www.popularmechanics.com/adventure/outdoors/a1643/4216544/>