<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x551/54c157a3aff80_-_06-hbx-lumo-lift-0514-xln.jpg>
<http://www.housebeautiful.com/shopping/home-gadgets/tips/g1767/ergonomic-home-furniture/>