<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x400/550050f0d627d-ghk-alaska-railroad-s3.jpg>
<http://www.goodhousekeeping.com/life/travel/tips/g2124/travel-ideas-outdoor-adventures/>