<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/160x160/54d122983c511_-_first-responder-05-0711-mdn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/tips/g550/from-bystander-to-hero/>