<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb1684913a0_-_travel-apps-03-0713-de.jpg>
<http://www.popularmechanics.com/technology/apps/reviews/g1235/10-travel-apps-to-enhance-your-next-getaway/>