<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb61c37d0b9_-_zero-turn-mowers-03-0513-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1736/tool-test-we-take-6-zero-turn-mowers-for-a-spin/>