<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb19b989fab_-_stadium-tech-04-0813-de.jpg>
<http://www.popularmechanics.com/technology/design/g1279/10-coolest-football-stadium-technologies/?src=rss>