<http://schema.org/description>
"Aerial photograph (British) of a large number of shell holes in the Ypres district, Belgium, during the First World War. Date: 30 September 1917"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/aerial-photograph-of-shell-holes-ypres-belgium-ww1/print/7187535.html>