BERLIN.- In our collective memory, the wall is a smooth concrete structure topped with a pipe. But in 1966, the almost insurmountable border consisted of ruins, building walls, wire fences, tangled barbed wire, and horizontal concrete strips, layered on top of one another. On the fiftieth anniversary marking the erection of the Berlin Wall, Annett Gröschner and Arwed Messmer present The Other View: The Early Berlin Wall as both a book and as an exhibition (August 6–October 3, 2011, Unter den Linden 40, 10117 Berlin). The unique panoramas depict the course of the Berlin Wall through Berlin’s city center from the perspective of those who built it. In the early 1990s, while researching at Potsdam’s Militärisches Zwischenarchiv, the photographer from West Germany and the writer from East Germany discovered a veritable treasure trove: a cardboard box full of negatives. The images show the Wall from the