The southwestern tower of Zanzibar Fort, in which many of the ship graffiti are located. (Credit: Alessandro Ghidoni) (IMAGE)

University of Exeter

The southwestern tower of Zanzibar Fort, in which many of the ship graffiti are located. (Credit: Alessandro Ghidoni)

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The southwestern tower of Zanzibar Fort, in which many of the ship graffiti are located. (Credit: Alessandro Ghidoni)

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The southwestern tower of Zanzibar Fort, in which many of the ship graffiti are located. (Credit: Alessandro Ghidoni)

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