Tau.Neutrino said:

Environment Videos Caves

The Massive Australian Cave System You Never Hear About

The Oldest Cave in The World + 2 Other Oddities in Australia

Australia’s Great Artesian Basin: What Geologists UNCOVERED

The enormous cave system that lies beneath the Nullarbor Plain | 7.30 ABC News In-depth

Inside the Biggest Underground Chamber Ever Discovered

Glowworms in Motion – A Time-lapse of NZ’s Glowworm Caves in 4K

15 INCREDIBLE Caves and Caverns

15 MOST BEAUTIFUL CAVEShttps://m.youtube.com/watch?v=JC41M7RPSec15 INCREDIBLE Caves and Caverns

Top 10 Famous Underground Caves in the World – Travel Video 2024

Inside Australia’s Deepest Hidden Cave System

We Found A Cave In A Giant Limestone Mine-Part 4

Giant Caves of China: Formed by Time and Shaped by Eart

Caves on deep mountain cliffs

Underground Rivers And Sinkholes In Karst

Scariest Underwater Cave Entry!

Cave Pools Lead to a Massive 280ft Waterfall

Bird Cage Cave Dive! (The longest cave in the world!)

The Discovery Of The World’s Biggest Cave | Our World

How Do Caves Form?

Australia Is Moving 7 cm Every Year — Here’s Why

Just watching some of those vids.
Bloody fascinating and thanks again for collecting and posting them.