<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/640x430/548fe287233e4_-_rbk-best-new-workouts-barrys-bootcamp-xln.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1327/best-boutique-workouts/>