<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/24/5578a49b72497-01-super-natural-tree-0114-lgn-93909187.jpg>
<http://www.countryliving.com/home-design/decorating-ideas/g1572/christmas-decoration-ideas/>