(This program is no longer available for streaming.) Follow a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level ...

And when it comes to the cave diver meme on TikTok ... to be parallel with the bottom and have no room to stand, sit, or even ...

She is affiliated with Cave Divers Association of Australia ... that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

As with all scuba ... cave diving and cavern diving. A cavern dive is defined as when you can see natural light throughout the entirety of your time underwater. This usually means going no further ...