Impossible Repairs

Smithsonian Channel

Saturday 18 June 2022  16:00 - 17:00 (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) Saturday 18 June 2022 16:00 - 17:00