<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caf42badf87_-_lake-borgne-02-0812-c1tkdt-mdn.jpg>
<http://www.popularmechanics.com/technology/infrastructure/a8123/post-katrina-upgrades-protecting-new-orleans-from-isaac-12185798/>