BELORADO, BURGOS, SPAIN - DECEMBER 14: Madrid based Imperial Service reenactment group crew shows how is life in a World War I trench on December 14, 2013 in Belorado, Burgos, Spain. This trench system, adjacent to the Museo Internacional de Radiotrasmisión Inocencio Bocanegra in Belorado, is the scenery for the Primer Living History Primera Guerra Mundial Museo Internacional de Radiotransmisión