<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cac2b4bfbd7_-_cabin_slideshow_495x170_040111.jpg>
<http://www.popularmechanics.com/home/how-to-plans/how-to/a6696/six-students-one-summer-and-a-resurrected-log-cabin/>