During the Occupation the German forces excavated numerous tunnels including this unlined one in Alderney. Here we can see the remaining timber from the collapsed lining mixed with fallen rubble. Several of the small storage chambers of this small complex can be seen on both sides. This highlights the dangers of exploring unlined tunnels.
During the Occupation the German forces excavated numerous tunnels in Guernsey, these were used for various purposes and many still survive today. This pedestrian tunnel shows the bunk bed frames constructed from angle iron. This is the longest chamber in the complex which contains 54 bunks.