<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb38652fa91_-_bho-ice-03-0614-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/g1538/a-brief-history-of-ice/>