<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1208/548fb5fae983c_-_rbk-inspiration-body-0613-6-s2.jpg>
<http://www.redbookmag.com/body/mental-health/tips/g1599/health-and-fitness-tips/>