<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x1181/54c15cd22e454_-_07-hbx-basement-stairs-meyer-davis-0614-3jtv1o-s2.jpg>
<http://www.housebeautiful.com/design-inspiration/house-tours/g1953/modern-upstate-new-york-house/>