<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb83b95349a_-_carbon-free-mdn.jpg>
<http://www.womansday.com/home/g180/eco-friendly-gardening-made-simple-104819/>