Revealing how the City of London still manages to function despite the mediaeval street plan. In between the skyscrapers and building sites lies a network of tiny alleyways that is centuries old. For planner Peter Rees these are the veins through which the lifeblood of the city flows.

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Story: The Mediaeval Metropolis

Duration: 3:23

Revealing how the City of London still manages to function despite the mediaeval street plan. In between the skyscrapers and building sites lies a network of tiny alleyways that is centuries old.

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