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Working Enigma machine brought to Cambridge

It is story that has inspired books and films - and today one of only a handful of working Enigma machines has been in Cambridge.

The machines, which generated complex codes for the Germans in the Second World War, were supposed to be unbreakable.

That was until the experts at Bletchley Park cracked the code.

Matthew Hudson had the chance to get up close to a real piece of modern history.