Konstantin v. Löbbecke kindly sent a link to this interesting website: https://www.rbb-online.de/geheimnisvolle_orte/archiv/geheimnisvolleorte-flughafen-rangsdorf.html

I
t details the well known assassination attempt on Hitler that was executed by Claus von Stauffenberg. The website has a video with scenes of the Bucker factory from where Stauffenburg started his mission, and of Ralf Gaida's Bestmann.