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Madrid's Big Dig

Under a sweltering sun in the heart of Madrid, Spanish construction workers are working non-stop on the job of a lifetime... the M-30 Madrid project. At a cost of 3.7 billion Euros it is the largest urban tunneling system ever undertaken, and one of the most challenging.

Deutsch English français
  • Originally Aired January 8, 2007
  • Runtime 45 minutes
  • Content Rating United States of America TV-G
  • Network Discovery
  • On Other Sites IMDB
  • Created October 13, 2013 by
    Administrator admin
  • Modified October 13, 2013 by
    Administrator admin