<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x160/54f645127fde1_-_fairmont-san-francisco-gingerbread-entrance-del1212-lg.jpg>
<http://www.delish.com/holiday-recipes/christmas/g204/gingerbread-famous-buildings/>