Impossible Repairs

Smithsonian Channel

Sunday 27 March 2022  17:00 - 18:00 (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) Sunday 27 March 2022 17:00 - 18:00