<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/160x160/54c80552a6975_-_action-shooting-05-0498-mdn.jpg>
<http://www.popularmechanics.com/technology/gear/reviews/g64/1277291/>