<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/05/320x400/54c928c262890_-_frederic-fekkai-duplex-homes-ed1010-10-lgn.jpg>
<http://www.elledecor.com/design-decorate/house-interiors/g1535/a-dazzling-duplex/>