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It 's probably a kind of the fungus Cordyceps. This fungus lives (and kills) on living insects like mosquitos, wasps, ants, ... some articles Wasp : Ants : cordyceps on ants (natgeo) in facts on the photo of babyhagrid the white stalactite like things are the mushrooms which will release...

indeed fungus on the insect. I'v seen this in several caves in Belgium/France.

Pipe at the ceiling as far as possible and a ventilator blowing fresh air in. In one of our digs in France there is hanging about 30m of drainaige pipe. An old car-fan running on batteries provides the power for it. Be sure that the pipe you has a flat inner surface to avoid air turbulance ...

sometimes you can buy scaffold at auctions from bankcrupty, overstock or write off. just as an example Firehoses on auction. another example in the uk with scaffold : Uk auctions with scaffolding for sale

While drilling for placing pins/screws always collect the drilling dust with a bucket on a blanket. After the drilling use a soft paintbrush to remove the drill dust from the surface and collect. That's the method we use already for years. Concerning protection of mud/clay floors and...

Already a classic clip about a large scale cleaning operation with power washer can be seen here Power washer cleaning - Grotte Sainte Anne (Belgium) Today 13 years later the cave became even cleaner by other follow-up actions and the visitors are more and more aware of their impact.

For a lot of info the conservation page of SC Avalon is a good start. Best practices, method and examples of vandalism,... Conservation page SC Avalon An in the subforum Uk caving conservation subforum there are several goods threads about this topic.

Rigging : Saut de la Pucelle perhaps you can compare the above with the description in Spéléoguide.

I'll let you know when we've tested it. We currently use the printed cube on a tripod as tool but this tool should be easier to work with. We'll see what it brings.

During summer some members saw a demonstration of a calibation tool for the distox2. The big advantages is that this tool can be used outside in daylight. Results are in the 0.2° margin More info can be found here : Calibration tool Distox2 We are going to build it and try it out :-)

I don't think caving and piercings are a match. There is a story (not sure if it is an urban legend or not) that there was a problem during and guided tour with a girl during a descent on rope. She screamed of pain because she had a piercing on her intimate bodyparts that got jammed by the bands...

Example DIY map lamination

Contact a book/paper restorer https://acapaperrestoration.com/

As a non UK caver I try to help the UK cavers with questions about mainland caving (Fe contacts and translations.) I also have a big interest in cave conservation techniques and try to share these. I love a good discussion about conservation. So my main drive is helping out fellow uk cavers :-)

To the right of this you could have visited the altitude camp of the Anialarra expeditions that were going on at that moment. I'v been there many times during august-september expeditions. However the last years I'm involved in another exploration in France.

It depends on the cave or even part of the cave how warm I am. The last trip was an explorartion trip. - way in is about 1,5 hours containing mudcrawl, deep water, rock crawling, deep water, tight water passage, extreme tight dry passage and walking in large galleries. - 4 hours digging in...

After the clean-up of last weekend trip in an underground river in France I thought let's make a photo about my neoprene setup :-) The following picture shows what I'm wearing under my oversuit - prolimit predator wetsuit 3/5 mm - prolimit shorts 1 mm - tribord t-shirt - socks - neoprene socks...

I always wear a neopreen short and thin t-shirt under my wetsuit. It is al described in the other thread of last year. See the link in a few post earlier for full details

Last year there was also a good discussion about wetsuits for caving with some answers / tips. Worth a read Best wetsuit for caving