On 11 December 1974 East Germany and West Berlin's garbage utility company BSR signed a contract to dispose of refuse on a dump right beside the Wall in East German Groß-Ziethen (today a part of Schönefeld).
On ngày 11 tháng 12 năm 1974 East Germany and West Berlin's garbage utility company BSR signed a contract to dispose of garbage on a dump right beyond the Wall in East German Groß-Ziethen (now a component of today's Schönefeld).