Experienced cave divers will assist police to recover the body of a cave diver who died in Tank Cave in the lower south east of South Australia. The team includes Richard Harris who played a crucial role in the Tham Luang cave rescue in Thailand in 2018.
https://www.abc.net.au/news/2025-12-01/cave-diving-drowning-limestone-coast/106085204
Cave diver dies at Tank Cave in the lower south east of South Australia
https://www.abc.net.au/news/2025-11-30/sa-diver-emergency-death-at-tank-cave-tantanoola/106083500
The newly released documentary "Deeper" follows the first use of hydrogen as a breathing gas by Dr Richard Harris in the Pearce Resurgence in NZ.

New Zealand’s Pearce Resurgence is legendary among expert cave divers for its depth and difficulty. When an Australian explorer became obsessed with diving deeper into it, he hatched a daring plan that could cost his life
The story of the recent discovery of an extension to The Pines cave in the Lower South East cave area of South Australia.
https://divernet.com/scuba-diving/technical-diving/soggy-wombats-pines-cave-discovery-mt-gambier/
Record-breaking Italian cave diver dies at Su Gologone Springs, Sardinia
@n_dimension
Looks good. I think the film is based on the Plura Cave #cavediving incident in 2014