During the Occupation the German forces excavated numerous tunnels in Guernsey, these were used for various purposes and many still survive today. This is one of the brick lined ammunition storage chambers in the Underground Hospital known as Ho.7 with the central link gallery visible. Note the bitumen floor covering of this chambers so that hobnailed boots would not create unwanted sparks.
During the Occupation the German forces excavated numerous tunnels in Guernsey, these were used for various purposes and many still survive today. Here we see a 'pit prop’ in an unlined tunnel complex, one of the only standing examples that survive today. The indentations from the sleepers of the 60cm railway track which services the tunnel are also visible.