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Extreme Engineering - Season 9 Episode 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.
- Năm: 2011
- Quốc gia: United States of America
- Thể loại: Documentary
- Studio: Discovery
- Từ khóa: engineering
- Giám đốc:
- Diễn viên: