<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/07/54dae46b48215_-_vacations-changed-world-0709-th2.jpg>
<http://www.esquire.com/news-politics/news/a6141/famous-world-explorers-072709/>