Many people think there must be something wrong with us for wanting to go caving...
There's nothing to stop people trying to encourage more participation, except the argument that increased numbers will result in more damage to the caves (& the fact that current huts can't accommodate vast increases in numbers - however, hardly any are operating at capacity).
There's nothing to stop people trying to encourage more participation, except the argument that increased numbers will result in more damage to the caves (& the fact that current huts can't accommodate vast increases in numbers - however, hardly any are operating at capacity).