<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/480x480/54eb8e26c458a_-_squirrels-01-0614-lgn.jpg>
<http://www.countryliving.com/life/g1801/10-ways-that-squirrels-ruin-everything-popular-mechanics/>