Dressed in traditional Orthodox-jewish clothing accessorized with fake beards, they quickly gained access to the store's safe, spray-painting two security cameras in the process.

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Speaking recently in Brussels, the IMF's Nemat Shafik compared such a process of internal devaluation to painting a house.

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"The process really interests me, it's like a painting, putting things down in layers and building something immediate, " he says.

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