<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/160x213/54fefda8c998c-ghk-7-years-younger-women-running-together-s2.jpg>
<http://www.goodhousekeeping.com/health/fitness/tips/g426/anti-aging-exercise/>