Andy Bonwick bored us all completely to death with wittery prose along the lines of: [QUOTE][QUOTE] [1] For those not claustrophobic. :-)[/QUOTE] Try sleeping in a proper cave a few hundred feet underground. The realisation that there's no natural light and you've got to find your headtorch in the dark isn't good.[/QUOTE] If we're in for one-upmanship, try sleeping in a snow hole on the side of an avalanche slope. Mind you, we got out fairly sharpish, when a local told us. :-)