BBC NEWS | Technology | Audio slideshow: Colossus Mark II rebuild

At Bletchley Park, the famous home of World War II code breakers, work is continuing
to rebuild one of the original Colossus computers, which were so vital to the Allied war efforts.

The manor house is now home to the National Museum of Computing, which is dedicated
to preserving the work of some of the most important computers in history.

The Colossus rebuild started in 1993 and the work is not yet finished. Tony Sale, the chief
architect of the re-build, began the work relying on black and white photos.

Audio interview by Mark Ward. Photography by Emma Lynch.

The past is the future at Bletchley Park

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