A curious and tragic story that I'd never heard of. Apologies if it is paywalled.
Colour film recovered after 50 years and still pretty good - astonishing
https://www.nytimes.com/interactive/2023/12/09/world/americas/aconcagua-mou...
Top tip use https://12ft.io/ and copy that NYTimes link in to remove paywalls from articles like this