<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://mac.h-cdn.co/assets/cm/14/49/480x552/54825b8ae1522_-_fitest-0412-1-xln.jpg>
<http://www.marieclaire.com/health-fitness/advice/g1444/best-exercise-regimen/>