<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fec62a94932-umbrella-orig-master-1.jpg>
<http://www.goodhousekeeping.com/clothing/umbrella-reviews/a19320/best-umbrella-buying-tips/>