<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x430/54cada90148ce_-_extreme-south-pole-05-121411-xln-15292006.jpg>
<http://www.popularmechanics.com/technology/gear/reviews/g699/how-to-visiting-the-south-pole/>