without a single picture of any of the artifacts
"There are countless negative impacts of the changing climate, but the recovery of these artifacts could be an unexpected positive. Our uncertain climate future may inadvertently help researchers learn more about our past."
The glaciers melting is a sad thing but at least this aspect of it is exciting.
* https://secretsoftheice.no/ * https://www.norskfjellsenter.no/home
The 'wrenches' look to me like some thing used to pull on or to tighten some sort of string or rope.