<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ell.h-cdn.co/assets/cm/15/02/980x653/54abe2bf29a2c_-_elle-02-exercise-try-skip-02-h-elh.jpg>
<http://www.elle.com/beauty/health-fitness/advice/g8569/dangerous-exercises/>