<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c7ee0991479_-_compost-bins-stonecrop-bl.jpg>
<http://www.popularmechanics.com/home/lawn-garden/how-to/a43/gardening-tips-460109/>