<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/06/480x360/54d3ec8332c43_-_old-infrastructure-06-0114-lgn.jpg>
<http://www.esquire.com/news-politics/news/g1730/oldest-infrastructure-in-america/>