<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54feeb8466187-1299-gingerbread-house-grunzweig-xl.jpg>
<http://www.goodhousekeeping.com/holidays/christmas-ideas/g344/gingerbread-houses/?click=gtkb>