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[Dan] This defense
system works so well, the city remains
in use until 1923 before it's sealed up and
nearly lost to history
system works so well, the city remains
in use until 1923 before it's sealed up and
nearly lost to history
Full Transcript
00:00:01.000 --> 00:00:02.709
- [Dan] This defense
system works so well,
00:00:02.709 --> 00:00:05.709
the city remains
in use until 1923
00:00:05.709 --> 00:00:08.917
before it's sealed up and
nearly lost to history.
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Movie Summary
Discover history's most mysterious and bizarre inventions, people and things. From a 440-pound Syrian bear turned soldier to a man who survived a 43-inch iron bar shot through the head.