<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb7e76d4173_-_say-om-for-a-better-body-mdn.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/g140/denise-austins-yoga-workout-108705/>