<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x322/54eb9ed83f8a0_-_5-kickboxing-exercises-rear-kick-xl-27411003.jpg>
<http://www.womansday.com/health-fitness/workout-routines/g726/your-easy-kickboxing-workout/>