<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1469/54fed929b410c-ghk-eighteen-25-star-feeder-de.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g324/best-bird-feeders/>