<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f647458e359_-_d-porcini--mushrooms-delish-cooking-school-cookbook-0912-xl.jpg>
<http://www.delish.com/kitchen-tools/kitchen-secrets/g297/types-of-mushrooms/>