<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb253d71b43_-_snow-products-02-0114-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1398/5-products-we-love-for-clearing-snow/>