<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/768x516/54cac758847cb_-_sunburn-2-0611-xln.jpg>
<http://www.popularmechanics.com/science/health/g1733/anatomy-of-a-sunburn/>