<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfc87633bd2_-_applewein_carboy_470-1109.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a4869/4337341/>