<http://schema.org/description>
"A German 77mm Model 16 field gun on a howitzer carriage during the First World War. Date: circa 1916"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/german-77mm-field-gun-on-howitzer-carriage-ww1/print/7219945.html>