<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x370/54cb0ada6178b_-_cables-map-0313-de.jpg>
<http://www.popularmechanics.com/technology/infrastructure/a8773/protecting-the-submarine-cables-that-wire-our-world-15220942/>