<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c867b2de4c1_-_pmx0206homo_r022_sm-4082973.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a1334/4212555/>