<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c9747cf3b7e_-_how-not-to-die-02-1013-de.jpg>
<http://www.popularmechanics.com/adventure/outdoors/tips/a3114/how-not-to-die-20-survival-tips-you-must-know-16030884/>