<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x320/54cb0bc9d45a3_-_gear-up-tree-climbing-01-0313-lgn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/a8779/the-gear-you-need-to-climb-the-trees-15293240/?click=pm_news>