<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb283698026_-_winter-olympic-tech-10-0214-de.jpg>
<http://www.popularmechanics.com/adventure/sports/g1433/skis-skates-and-sleds-the-gold-medal-tech-of-the-winter-olympics/>