With the former laboratory building, today's Gerd-Steinmöller-Künstlerhaus, the former Toxikologisches Institut on the Bastion Brandenburg, and the Gasversuchsraum near the Italienische Höfe, three listed buildings on the grounds of the Zitadelle are the focus of this project. All of them played an important role during the Nazi era in the context of the Heeresgasschutzlaboratorien der Wehrmacht located here.
The artist georgia Krawiec (*1972 in Kędzierzyn/ Polen) developed three optical apparatuses, so-called Camerae obscurae, for this purpose, which refer to the dark history of these houses. Despite intensive historical research, many questions about the use of these buildings remain unanswered, namely due to a lack of sufficient reappraisal, willing eyewitnesses, and accessible files and archives.