The association “Berliner Unterwelten e.V.” offers various guided tours in Berlin's underground. The spectrum ranges from bunkers to escape tunnels under the former wall. Unfortunately, taking photos and filming is …
Simply recommend taking one of the tours on offer. Very informative, very exciting.
The non-profit association Berliner Unterwelten e. V. has existed since 1997 and has set itself the goal of promoting the research, documentation and preservation of underground facilities in Berlin.
However, currently closed due to Corona