<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://sev.h-cdn.co/assets/cm/15/07/54db98692a550_-_sev-golden-gate-bridge-mele-blog.jpg>
<http://www.seventeen.com/life/school/a17731/fun-things-to-do-in-san-francisco/>