<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/5509215bebc97-diy-colored-glass-mason-jars-freutcake-1.jpg>
<http://www.goodhousekeeping.com/institute/a19445/mason-jar-hangout/>