<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x213/54cadf71dea1d_-_winter-machines-10-0112-lgn.jpg>
<http://www.popularmechanics.com/technology/infrastructure/g749/10-tough-machines-made-for-winter/>