<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caa0beeaff2_-_pot_rack_630_0610-de.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a5677/diy-pot-rack-fence-project/>