<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff15a30a43f-diy-bird-feeders-orange-feeder-xln.jpg>
<http://www.goodhousekeeping.com/home/craft-ideas/how-to/g678/bird-feeders/?src=shelter_footer>