<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb075e7dcf3_-_top-ski-tech-07-0213-lgn.jpg>
<http://www.popularmechanics.com/adventure/sports/g1062/upgrade-the-slopes-with-the-years-top-ski-tech/>