Berlin Wall was a deep anxiety over prospects for a reunified Germany. In September 1989, British Prime Minister Margaret Thatcher pleaded with Soviet President Mikhail Gorbachev not to let the Berlin Wall fall and confided that she wanted the Soviet leader to do what he could to stop it. After the fall of the Berlin Wall, French President François Mitterrand warned Thatcher that a unified Germany could make more ground than Adolf Hitler ever had and that Europe would have to bear the consequences. On 21 November 1989, Crosby, Stills & Nash performed the song "Chippin' Away" from Graham Nash's 1986 solo
Berlin Wall travel more freely than Westerners. On 13 June 1990, the East German military officially began dismantling the Wall, beginning in Bernauer Straße and around the Mitte district. From there, demolition continued through Prenzlauer Berg/Gesundbrunnen, Helligensee and throughout the city of Berlin until that December 1990. According to estimates by the border troops, a total of around 1.7 million tonnes of building rubble was produced by the demolition. Unofficially, the demolition of the Bornholmer Straße began because of construction work on the railway. This involved a total of 300 GDR border guards and - after 3 October 1990 - 600 Pioneers