<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/11/640x320/placeholder_landscape-1426258292-flying-snowmobile-1.gif>
<http://www.popularmechanics.com/adventure/outdoors/a14545/flying-parachute-snowmobile/>