In the summer of 2005 the district council of Reinickendorf approached the association with the question, if we would be interested in putting together a concept for the use of an operating theatre bunker located on the grounds of the Humboldthain hospital on Teichstrasse. Upon inspection of the site, it was clear that this was an extremely well preserved structure for its type. Members of the association then visited the responsible building authorities and found the plans for the area, which would be useful in an exhibition. The concept presented by the association, which was welcomed by the owners, envisioned using the structure for tours and an exhibition, which would document the history of the hospital grounds. A few months later we received the keys for the building, which first of all had to be cleaned. At first, other projects of the association hindered us for a time, so we were not able to put as much work in as we would have liked. Though on the 9th of December 2004, we were finally able to begin with the restoration work. With the addition of the bunker into the list of memorials on the 27th of April 2009, one of the most important project goals was accomplished, namely the permanent protection of the structure.