<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1352/54ff06bf2ca11-ghk-skip-behind-neck-pull-downs-4-s2.jpg>
<http://www.goodhousekeeping.com/health/fitness/g596/dangerous-exercises/?src=shelter_footer>