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To construct this mammoth tunnel,
whilst workers excavated from {\an8}each end, eight shafts were
also dug down from above, {\an8}all aiming to connect up. And when they all met up,
they met up perfectly. There's no computers, no GPS, and it was perfect within an
inch on each section. The quality of the
engineering is inspiring
whilst workers excavated from {\an8}each end, eight shafts were
also dug down from above, {\an8}all aiming to connect up. And when they all met up,
they met up perfectly. There's no computers, no GPS, and it was perfect within an
inch on each section. The quality of the
engineering is inspiring
Full Transcript
00:00:01.000 --> 00:00:04.044
To construct this mammoth tunnel,
whilst workers excavated from
00:00:04.048 --> 00:00:08.064
{\an8}each end, eight shafts were
also dug down from above,
00:00:08.068 --> 00:00:10.076
{\an8}all aiming to connect up.
00:00:12.008 --> 00:00:14.048
And when they all met up,
they met up perfectly.
00:00:14.052 --> 00:00:16.052
There's no computers, no GPS,
00:00:16.056 --> 00:00:20.998
and it was perfect within an
inch on each section.
00:00:20.012 --> 00:00:22.068
The quality of the
engineering is inspiring.
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Movie Summary
Many of the world's most spectacular railways are surrounded by mysterious stories, tales and sagas. But these back stories have been lost to the passing years and are now unknown even to those using the railways daily.