It could be variations in the webbing sourced for the harnesses. Textile production processes have inherent variability in colour, finish weight etc. I've noticed the leftie anti capitalists have come out against Petzl. Companies have to innovate to succeed and continue, this will result in...

For geological interest, the pillow lava on the approach to LLandwyn Island, Newborough beach, Anglesey. The folded strata of the rocks at South Stack are interesting as well.

Zimmer Rock

Wow! How much! Caving has become a millionaires hobby. Home Bargains and/or B&M Bargains have knee pads at about £6-£7. Not sure how suitable they are for caving.

Concerning the charity Parachute jumps, I actually know a caver who broke his leg doing one.

Nothing to do with hate

NHS charity parachute jumps cost the NHS more in the treating injuries caused by the parachute jumps.

I think the refusal by LDNPA for a similar proposal led to the resignation of Chris Bonington from the Friends of the Lake District organisation. https://www.bbc.co.uk/news/uk-england-cumbria-20962828 They seem to wish to fossilise the Lake District into a Beatrix Potteresque virtual world.

https://www.bbc.co.uk/news/uk-england-beds-bucks-herts-68326138

Is the Yorkshire Dales National Park or part of registered Common land? Obviously its status is protected as a national park under the jurisdiction of the park authority however I don't believe it to be a common with the enhanced protection that offers. Parts of Dartmoor are common land but I...

A bit more on the technicalities of what can't be done on common land. Nothing can be done to common land which does not benefit the land. Under current legislation it would be illegal to install wind turbines or infrastructure. Would Labour change that? Incidentally, parking on common land...

Heisenberg? Nobel laureate Richard Feynman supposedly said: “If you think you understand quantum mechanics, you don't understand quantum mechanics.” Having studied quantum theory I believe it to be a useful kludge rather than a fundamental truth. Einstein thought pretty much the same.

Food

Bear in mind that rats and mice can jump a decent distance

When you consider what's been achieved in the Alps the Mam Tor lack of action seems a little feeble. It was a very useful road.