West Berlin police stand guard behind barbed wire along the new massive concrete wall at Berlin's Brandenburg Gate, Germany, on Nov. Beyond the wall, Communists pull down a fiber board screen behind which the building operations took place.
The Brandenburg Gate is sealed off in the Soviet-occupied sector of East Berlin. Located at the center of the German capital, the gate stands behind part of the Berlin Wall that divides East and West Berlin.
The bridge between East Germany and West Berlin pictured in the early Recently opened files show how Stasi officials secretly sold citizens to western pharmaceutical companies to use as human guinea pigs