<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x213/54c8ad8921b8f_-_fire-tech-lede-04-de.jpg>
<http://www.popularmechanics.com/science/environment/g84/4257808/>