Horizon S47 E6 - How Long is a Piece of String?

Horizon

Horizon S47 E6 - How Long is a Piece of String?
7.3

Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.

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CountryUnited Kingdom
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