<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1470/548fc9eb1fd82_-_rbk-25-lazy-ways-to-burn-100-calories-6-s2.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g651/ways-to-burn-calories/?click=main_sr>