Alternative Tours Berlin – visit the ruins of the NSA obervation station Teufelsberg Alternative Tours Berlin – visit the ruins of the NSA obervation station Teufelsberg weichleinberlin2020-07-17T09:27:21+00:00Categories: BLOG, Corporate events Berlin, Destination management company Berlin, DMC Berlin, DMC Germany, Event Destination Berlin, Events Company Berlin, Incentives Berlin, Incentives Company Berlin, Incentives Destination Berlin, News Berlin|Tags: Aternative Tours Berlin, Congress Berlin, Corporate events Berlin, Destination management company Berlin, DMC Berlin, Event Destination Berlin, Incentives Berlin, Meeting destination Berlin, Meetings Berlin, Mice business Berlin, NSA observation station Teufelsberg, Tours Berlin|