Will travels to North Wales to discover the forgotten history of the slate industry. Welsh slate once roofed the buildings of the British Empire and the industrial revolution.
| Title | Episode 4 |
|---|---|
| Genres | Documentary |
| Release Date | 2020-09-25 |
| Episode Runtime | 00 Hours 59 Minutes |
| Season Number | 2 |
| Episode Number | 4 |
| Production Companies | Lazerbeam Productions |
