<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ebaf460a1f9_-_05-official-white-house-tree-xl.jpg>
<http://www.womansday.com/home/decorating/g1013/white-house-christmas-decorations/?src=shelter_footer>