<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/04/54c07e3790289_-_00-feature-eco-friendly-met-eco-mh0509-1-2.jpg>
<http://www.elledecor.com/home-remodeling-renovating/a3916/eco-logical-a-56479/>