Berlin remained the last open crossing within the significantly militarised and airtight "internal-German" border. On thirteen August 1961, the East German (GDR) Management shut the border just weeks right after East German leader Walter Ulbricht mentioned in the push meeting "Niemand hat die Absicht eine Mauer zu errichten" (nobody has https://bbcnewsz.de/rum-tasting-berlin-ein-erlebnis-fur-genieser/