![](https://image.tmdb.org/t/p/w185/4h0TvdEfuVR15fbeMTSvR3mZs7j.jpg)
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A British documentary on tunneling if a building falls in ruins.
Release: Jan 23, 1943
Runtime: 19 minutes
Language: English
Studio: Shell Film Unit, Panamint Film
Country: United Kingdom
Cast: