By Klaus Wiegrefe
When the Berlin Wall fell in November 1989, nobody expected Germany to be reunified less than a year later. New documents released by the Foreign Ministry in Berlin shed new light on the dramatic negotiations that led to East and West Germany becoming one.
By Solveig Grothe
During a trip to East Germany in 1990, photographer Stefan Koppelkamm discovered buildings that had survived both the war and the construction mania of the East German authorities. Ten years later, he returned to photograph the buildings again. The comparison threw up some unexpected contrasts.
More than 25 years after the fall of the Berlin Wall, official statistics show two million fewer people live in the former East German states. Eastern states' economies are still weak in comparison with western ones.