<http://schema.org/description>
"Two miners at the Universal Pit, Senghenydd Colliery, near Caerphilly, Glamorgan, South Wales, with a caged canary which was used to test the air for gas, or lack of oxygen. The men are carrying early versions of the oil safety lamp. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/senghenydd-colliery-canary-glamorgan-south-wales/print/4474315.html>