Horizon 2009-2010 Episode 6 How Long is a Piece of String? 2009
7.3/10 by 29 users
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.
- Released: 2009-11-17
- Runtime: 60 minutes
- Genre: Documentary
- Stars:
- Director:
