<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb0353d7f4c_-_side-stretch_medium.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/a2544/3-stretches-to-beat-back-pain-119306/?src=shelter_footer>