<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cab00e16a44_-_sump-pump-flood-de.jpg>
<http://www.popularmechanics.com/adventure/outdoors/tips/a6191/how-to-prepare-your-home-for-floods/>