<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb251b7f91a_-_snowmobile-04-1213-lgn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/g1410/snowmobile-gear-to-keep-you-riding-happy/>