<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ell.h-cdn.co/assets/cm/15/02/54abe1bb411b7_-_elle-14-exercises-try-skip-7-v-elv.jpg>
<http://www.elle.com/beauty/health-fitness/advice/g8569/dangerous-exercises/>