Blue Peter S17E71 - Episode 71
7.6/10 by 7 users
Gaping Gill
Every year high in the Pennines local cavers build a dam to divert a stream and Britain's largest subterranean cave reveals its secret for just three weeks. Peter reports from 104 metres below the earth's surface at the bottom of Gaping Gill.
| Released | Oct 16, 1958 |
|---|---|
| Runtime | 25min |
| Genre | Family |
| Actor | N/A |
| Director | John Hunter Blair |
| Production | BBC |