"Car graveyard" Gaewern Slate Mine, Wales, UK"Car graveyard" Gaewern Slate Mine, Wales, UK"Car graveyard" Gaewern Slate Mine, Wales, UK"Car graveyard" Gaewern Slate Mine, Wales, UKCaver Neil Montgemery in the tunnel entrance to Gaewern Slate Mine. North Wales, UK"Car gravewyard" in Gaewern Slate Mine. North Wales, UK"Car gravewyard" in Gaewern Slate Mine. North Wales, UK"Car gravewyard" in Gaewern Slate Mine. North Wales, UKCaver Siriol Richards climbing down the mine workings in Gaewern Slate Mine. North Wales, UKCaver Neil Montgomery (left) climbing down the "sling ladder" with  Peter Hamilton (right)Neil Montgomery on a short abseil to the bottom of the mine workings. Gaewern Slate Mine.Peter Hamilton doing the short abseil to reach the bottom of the mine workings. Gaewern Slate Mine."Car graveyard" Gaewern Slate Mine, Wales, UK"Car graveyard" Gaewern Slate Mine, Wales, UKGaewern Slate Mine. North Wales, UK"Car graveyard" Gaewern Slate Mine, Wales, UKNeil Montgomery (left) steadying the boat for Peter Hamilton ((right) Gaewern Slate Mine.Neil Montgomery (left) steadying the boat for Peter Hamilton ((right) Gaewern Slate Mine.Peter Hamilton paddles past floating wheels towards the car graveyard. Gaewern Slate Mine.Peter Hamilton paddles past floating wheels towards the car graveyard. Gaewern Slate Mine.