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[Rob] This place
was important enough to defend with some
serious firepower. But below ground,
the real secret of this
rocky outcrop lay abandoned and hidden
for more than half a century. [Onyeka] Gibraltar had been
a place of strange rumors, that there were these
many secret tunnels
was important enough to defend with some
serious firepower. But below ground,
the real secret of this
rocky outcrop lay abandoned and hidden
for more than half a century. [Onyeka] Gibraltar had been
a place of strange rumors, that there were these
many secret tunnels
Full Transcript
00:00:01.000 --> 00:00:03.167
[Rob] This place
was important enough
00:00:03.167 --> 00:00:05.006
to defend with some
serious firepower.
00:00:07.667 --> 00:00:11.008
But below ground,
the real secret of this
rocky outcrop
00:00:11.867 --> 00:00:16.466
lay abandoned and hidden
for more than half a century.
00:00:16.466 --> 00:00:19.767
[Onyeka] Gibraltar had been
a place of strange rumors,
00:00:19.767 --> 00:00:22.007
that there were these
many secret tunnels.
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Movie Summary
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.