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Kimhi sees justification for building the fence in the assumption that it will provide security, but also considers the construction "a move of desperation" after Ehud Barak agreed at the Camp David summit "to give them 97 percent (of the territories) and divide up Jerusalem almost down to the last bit, but they didn't accept it."
Kimhi headed the team of 16 at the Jerusalem Institute for Israel Studies that began formulating political solutions for the city based on compromise seven years before the Camp David summit. The team also prepared the background material for Barak and the proposals for Jerusalem that he put forward.
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The fence around Jerusalem is 68 kilometers long. The fence changes according to the terrain it passes through. In open areas it is very wide - up to 50 and 60 meters - comprised of the following: barbed wire, a ditch approximately five meters wide to prevent the passage of armored vehicles and other vehicles, a dirt path, an electronic fence that is the heart of the fence, another dirt path approximately five meters wide, an asphalt road approximately five meters wide, another dirt path and another barbed wire fence.
In built-up areas, such as Abu Dis and Azzariyeh, it is not possible to build such a wide fence. There a six-to-eight meter high wall will be built. In total, walls will be built in very few sections of the fence.
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http://www.haaretz.com/hasen/pages/ShArt.jhtml?itemNo=375737