<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x368/54eb9ed5c925a_-_2-kickboxing-exercises-jab-xl.jpg>
<http://www.womansday.com/health-fitness/workout-routines/g726/your-easy-kickboxing-workout/>