2 Tymor
20 Pennod
Here's How - Season 2 Episode 2
Viewers learn about all sorts of tunnels, from road tunnels to tunnels that actually go underwater. We get to see actual construction of subway tunnels in Hong Kong.
- Blwyddyn: 1970
- Gwlad:
- Genre:
- Stiwdio: TVOntario
- Allweddair:
- Cyfarwyddwr:
- Cast: Don Dickinson, Johnie Chase, Tara Charendoff-Strong