<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/15/17/640x320/landscape-1429806945-hb-tbt-vintage-house-exterior.jpg>
<http://www.housebeautiful.com/design-inspiration/house-tours/a3661/house-from-1949/>