<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfd29f5670d_-_cruise-survival-0512-smn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/a7767/what-went-wrong-on-the-costa-concordia-9119062/>