<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/04/320x213/54bce4a5944dd_-_hbz-sunglasses-tortoise-wang-lgn.jpg>
<http://www.harpersbazaar.com/fashion/trends/g2017/best-sunglasses-shopping/>