<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x552/54cac758d6928_-_sunburn-3-0611-xln.jpg>
<http://www.popularmechanics.com/science/health/g1733/anatomy-of-a-sunburn/>