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27 min
The golden age of cave exploration falls well within living memory. Veteran caver Jim Eyres, of the British Speleological Association, relives the last great Pennines discovery - the Lancaster Hole - which allowed access to miles of river-ways, caverns and grottos beneath the western dales.
| Name | Character | Team | |
|---|---|---|---|
| Jim Eyres | Self | Unowned | |
| George Cornes | Self | Unowned | |
| Ron Bliss | Self | Unowned | |
| Ken Cooper | Narrator | Unowned |