<http://schema.org/description>
"A British Sopwith Pup biplane, used during the First World War. Seen here in side view. Date: 1914-1918"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/british-sopwith-pup-biplane-ww1/print/7194617.html>