<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54eaa58bb5dcc_-_06_em-bifc09-family-tree_medium-2.jpg>
<http://www.womansday.com/home/crafts-projects/how-to/a1152/10-diy-holiday-centerpieces-101184/>