Mystery of Wales' underground labrynth as 8,000 mine entrances mapped
- Posted on October 5, 2024
- By The Daily Star
- 1 Views
Mystery of Wales' underground labrynth as 8,000 mine entrances mapped
The North Wales Cave Rescue Organisation has documented the hidden entrances as a matter of life-and-death providing a treasure trove of data which can be accessed during rescue operations
