<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x368/54eb9d8c7c5d1_-_5-stretch-arms-shoulders-xl.jpg>
<http://www.womansday.com/health-fitness/g751/heart-smart-fitness-routine/>