He was removed from a motorway tunnel by the Greek police after he tried to use it to take a shortcut through the Pindos mountains.

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However, it does mean backtracking another four days back to your start point unless you take one of the sneaky shortcut options.

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The rule of 70 is a shortcut to estimate how many years it will take to double something that compounds at a steady growth rate (say money, or demand for natural gas).

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