<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54caf75c8dade_-_birding-gear-05-1012-de.jpg>
<http://www.popularmechanics.com/adventure/outdoors/g938/the-gear-you-need-to-start-birdwatching/>