<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/980x1205/54ebca51b01bb_-_rbk-25-lazy-ways-to-burn-100-calories-21-ttwguo-s2.jpg>
<http://www.womansday.com/health-fitness/workout-routines/g1390/easy-ways-to-burn-calories-redbook/?click=ht>