<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54ff03db29e00-0612-wooden-trough-xl.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g490/garden-patio-planters/>