<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/320x368/54cfdb0a2cac1_-_sewingchutes-500-de.jpg>
<http://www.popularmechanics.com/science/environment/g427/smokejumper-forest-fire-fighting-pictures/>