<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/160x213/550039398b84c-stretching-after-exercise-0605-s2.jpg>
<http://www.goodhousekeeping.com/health/fitness/g1789/summer-workout-jun05/?src=shelter_footer>