<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/08/480x400/54ea35c1b0776_-_spring-centerpiece-entert0406-6irdci-s3.jpg>
<http://www.countryliving.com/gardening/garden-ideas/g169/spring-centerpiece-0406/>