9 ወቅት
77 ክፍል
Extreme Engineering - Season 7 Episode 6
Construction of the Limon Dam and one of the deepest tunnels ever attempted.
- አመት: 2011
- ሀገር: United States of America
- ዘውግ: Documentary
- ስቱዲዮ: Discovery
- ቁልፍ ቃል: engineering
- ዳይሬክተር:
- ተዋንያን: