9 സീസൺ
77 എപ്പിസോഡ്
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.
- വർഷം: 2011
- രാജ്യം: United States of America
- തരം: Documentary
- സ്റ്റുഡിയോ: Discovery
- കീവേഡ്: engineering
- ഡയറക്ടർ:
- അഭിനേതാക്കൾ: