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[–] TriumphantDefeat 0 points 2 points (+2|-0) ago 

Insane. I imagine the pressure down there must be near skull crushing. Any data on pressure and oxygen density? Very cool map nonetheless.

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[–] someguyfromcanada [S] 0 points 0 points (+0|-0) ago  (edited ago)

Great question! Strangely enough, it starts up on a 2200 M high mountain and also goes down that far so the deepest point is about at sea level. Oxygen is required as they have to scuba through sections but not pressurization.

Here is a video of some spelunking in there. It gets seriously tiny down there.

Although going in is pretty spacious.

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[–] zbrojny120 0 points 1 points (+1|-0) ago 

Man, I'm not claustrophobic but... Nope.

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[–] TriumphantDefeat 0 points 1 points (+1|-0) ago 

Oh so it's more like a completely dried out volcano. Even more interesting!