<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/640x430/54ebb1adea74e_-_woman-walking-outside-xl.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/g1045/winter-exercise/>