<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/technology/design/a7807/taller-how-future-skyscrapers-will-beat-the-burj-khalifa-8893983/>