<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb1dd3a9cce_-_casagrande-diy-rigs-02-1013-lgn.jpg>
<http://www.popularmechanics.com/adventure/sports/g1325/shark-shooter-andy-casagrandes-home-built-camera-rigs/>