<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/08/54ea5b3fe3301_-_clx-stone-walkway-0407-llgxqz-xln.jpg>
<http://www.countryliving.com/gardening/garden-tours/g1432/landscaping-ideas/>