<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cadf7187c46_-_winter-machines-09-0112-lgn-88200908.jpg>
<http://www.popularmechanics.com/technology/infrastructure/g749/10-tough-machines-made-for-winter/>