As described in the book and the movie, the entry shafts to the tunnels were dug 30 feet straight down. When Hilts breaks out of the tunnel he is standing in the end chamber and is able to reach up and pull down turf and grass. This implies that the tunnel at some point was dug on an upward slant. In fact this bit of engineering was contemplated and discussed by the escape committee, but in the end it was rejected because of safety concerns with the trolleys. The actual tunnel did have a long vertical exit shaft.
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05/03/2025 alle ore 08:04
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