Israel has stepped up its military deployments near the border and is constructing a 240km (150-mile) double fence to act as a physical barrier.

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Along either side of the road lay broad swathes of landmines and a double fence of barbed wire that stretches the 151-mile (248 km) length of the DMZ.

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Thirty years ago, if you were a shop owner, you spent a large chunk of your time poring over inventory, keeping your books, clinking away at your calculator, double checking your numbers, and going through enough correction fluid to whitewash a fence.

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