Impossible Repairs

Smithsonian Channel

Friday 13 May 2022  00:00 - 01:00 (60 mins)
Big City Tunnel Boring. Go under one of the world's largest lakes, for a multi-million dollar tunnel boring project in one of the fastest growing cities on Earth.

Impossible Repairs (Smithsonian Channel) Friday 13 May 2022 00:00 - 01:00