<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/640x430/54eb92966e5d6_-_summer-homestead-tree-0814-xln.jpg>
<http://www.countryliving.com/home-design/house-tours/g1830/hoedemaker-washington-farm/>