<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb253e084bf_-_snow-products-04-0114-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1398/5-products-we-love-for-clearing-snow/?click=pm_news>