<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54caf7ec7ed68_-_gibbs-quadski-02-1012-de.jpg>
<http://www.popularmechanics.com/cars/motorcycles/a12053/we-test-the-gibbs-quadski-amphibious-atv-13747498/>