<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/16/34/980x490/landscape-1471904057-screen-shot-2016-08-22-at-61409-pm.png>
<http://www.popularmechanics.com/adventure/outdoors/a22491/keep-gadgets-charged-camping-hiking/>