<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c867b33b879_-_pmx0206homo_r023_sm-79567818.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a1334/4212555/>