<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/15/26/980x490/landscape-1435351385-pruning-guide-index.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g60/pruning-tips-0307/?src=shelter_footer>