Exploring long-forgotten subterranean bunkers and traffic locations clouded in secrecy will show you the answer to the above question. The association Berliner Unterwelten e.V. offers regular tours and also explains you how a system of pneumatic delivery worked for 111 years to deliver messages all over Germany's capital.
Berliner UnterweltenBrunnenstraße 105
- Tours: According to booking.
- Price Level: 9,00 euro, discount price 7,00 euro
- Reservation: Recommended for groups.
- Parking: difficult
- Important Remarks: Warm clothing is recommended for all tours since temperatures in the subterranean structures are usually cold, even in summer. Some tours require flashlights and rubber boots.