<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb13ac7b9e3_-_summer-air-shows-05-0613-de.jpg>
<http://www.popularmechanics.com/flight/g1218/the-9-air-shows-you-should-see-this-summer/>