<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb060005ee1_-_2013-outdoor-tech-02-0113-lgn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/g1059/top-hiking-biking-camping-tech-for-2013/>