9 Säsong
77 Episod
Extreme Engineering - Season 9 Episode 1 Avsnitt 1
Danny takes us to New York City, where the largest public works project in the country is happening: a $15 billion expansion of the NYC transit system. He heads 150 feet underground to find out what can be done without shutting down the city above.
- År: 2011
- Land: United States of America
- Genre: Documentary
- Studio: Discovery
- Nyckelord: engineering
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- Kasta: