<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff2d5ea7b17-ghk-winter-proof-home-chimney-xln.jpg>
<http://www.goodhousekeeping.com/home/renovation/advice/g834/winter-proof-home/>