Extreme Engineering - Season 1 (2003) (kausi)
Yhdysvallat,
2003, 34 min
Juonikuvaukset(1)
In a series of engineering firsts, two interstate highways are being rebuilt beneath Boston, sending its traffic 120 feet underground! The "Big Dig" will take more than 30 years to build, but not without confronting unprecedented challenges. (Prime Video)