<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1246/54ff2c2f38d43-ghk-07-relaxing-doing-yoga-s2.jpg>
<http://www.goodhousekeeping.com/health/wellness/advice/g820/unnecessary-stress/>