<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fc63dd9211_-_cos-03-easy-exercise-single-leg-bridge-de-mscn.jpg>
<http://www.cosmopolitan.com/health-fitness/advice/g2397/how-to-burn-fat/>