<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/320x320/54eb892e3509a_-_green-house-lgn-60531917.jpg>
<http://www.countryliving.com/gardening/garden-ideas/g1762/amazing-birdhouses/>