<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x426/54ff2445be2e7-thigh-workout-1000-lgn.jpg>
<http://www.goodhousekeeping.com/health/fitness/g773/thigh-workout-oct00/>