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The Wall has a round pipe on its top so that people can not grip it easily when crossing over. (Liesen St., at the checkpoint "Chaussee St.", Wedding)
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This is an alarm which turns on when it detects somebody trying to cross over the wire fence behind this device. The wires of the fence have some electricity and if somebody touches two of them at the same time, or cuts wires, the electric currency is charged. (Bernauer St., Wedding) |
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This photo shows how the wires are connected with each other by cables. The alarm device finds a difference of electric currency made by touching two wires at the same time. (Heidelberger St., Neukölln) |
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This is a watch dog. In the countryside they cannot send enough guards. Instead of human guards some dogs are on duty. They are chained up with a 20-meter long rope, so that they can move along the military road. (Staaken, Spandau) |
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Look at the top of the mesh net fence. It is purposely kept sharp so that someone would be injured trying to escape. (Frohnau, Reinickendorf) |
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Thin wires can be seen like a spider's web. This may be a trap that works when somebody crushes them and the wires are pulled. (Zehlendorf) =taken through a hole in the Wall |
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This is a device, called "PSG-80", connected to a trap wire. When the wire is pulled, it shoots a signal to the nearby guards without single bullet being fired. There are two types. The one is only to make noise, and the other is to make a bang and shoot a flash light. (In a woods, Zehlendorf) |
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This fence has needles and is set in the the river to make it hard to swim across the borderline. (taken in the museum "Haus am Checkpoint Charlie") |
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This is an automatic shooting device. When the wire is pulled, it fires hundreds of small metal cubes. (taken in the museum "Haus am Checkpoint Charlie")
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Barriers 2
