<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x320/54cb2f2495ce5_-_mudslide-01-0314-de.jpg>
<http://www.popularmechanics.com/science/environment/a10202/heres-why-the-deadly-washington-state-mudslide-happened-16629160/>