An interesting debate has arisen on the UKcaving forum regarding the nature of draughts in caves and the various effects that cause them.

If you have an interest in the causes & effects you can read all the "bumpf" here;

http://ukcaving.com/board/index.php/topic,8531.0.html

I think it is all very interesting

Ian

well, it was nights, i was bored, whats your excuse ;-)

Radon Fans!

Its a high radon area round us!