<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb66c169784_-_songdo-03-0313-de.jpg>
<http://www.popularmechanics.com/technology/design/g1774/the-city-of-tomorrow-exists-today-in-south-korea/>