<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x160/54cafb2a4cb73_-_fast-hiking-01-1112-lgn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/g968/ultralight-gear-for-high-speed-hikers/>