<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/15/16/980x490/landscape-1428947967-54ff5f86a50d8-ghk-plants-you-cannot-kill-calathea-prayer-plant-s2-1.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g1285/hard-to-kill-plants/>