<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x408/55003fcd0c913-plastics-avoid-2-6-lg.jpg>
<http://www.goodhousekeeping.com/home/g1848/plastic-bottles-toxins-water-bottles-460410/?link=emb&dom=yah_life&src=syn&con=blog_tdg&mag=tdg>