<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/640x960/54fe6f08bdb3e-a-umbrella-bed-de.jpg>
<http://www.goodhousekeeping.com/home/craft-ideas/how-to/g69/diy-pet-beds/>