<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/04/480x720/54c1a8e3de1ae_-_secret-rooms-interior-design-9-xln.jpg>
<http://www.elledecor.com/design-decorate/room-ideas/g833/hidden-rooms/>