Here's a piece of limestone.

Those white cliffs are a dense Cambrian limestone.

The Krubera Cave is the deepest known cave in the world.

It is also the site of several limestone quarries.

Would it give this block of limestone new properties?

And it's just limestone, nothing really special about it.

A sea cave, also known as a littoral cave, is a type of cave formed primarily by the wave action of the sea.

Other than peat, dolomite, and limestone, natural resources are scarce.

The core comes up as these cylindrical tubes of limestone.

And it's different than this limestone, you can see that.

And this particular cave was Lechuguilla, and this cave is incredibly toxic to humans.

And I said, You mean, like a cave? And she said, Yeah, like a cave.

Limestone County is a county of the U.S. state of Alabama.

And that's not snow that's what the white limestone looks like.

Now a block of limestone, in itself, isn't particularly that interesting.

It was a Buddhist cave.

Austin Bat Cave in Austin

Ben Gunn's cave, says I.

The Cave of the Winds.

Hiding up in the cave.

Allar Cave () is a cave and settlement of a human of the Stone Age (the Middle Paleolithic).

The Middle Atlas Mountains consist mostly of a series of limestone plateaus.

Limestone chips may be introduced into sites to create a neutralizing effect.

They were commonly either carved from limestone or were made of pottery.

We don't just want limestone dumped everywhere in all the pretty canals.

Like the Sleepers of the Cave

There's a little cave over there.

Help us escape from this cave.

The wind begins in a cave.

I'll question the old cave dweller.

True marble is the metamorphic form of limestone produced by heat and pressure.

Here is an actual cave painting from around 30,000 years ago found preserved deep inside Chauvet cave, in France.

Three bodies were found in the cave.

Bluefin are in cave paintings in France.

This cave transformed what we know about

Must be the cave of a giant.

Then Joshua said, Open the mouth of the cave, and bring those five kings out of the cave to me.

And Lost City was characterized by these incredible limestone formations and upside down pools.

Then said Joshua, Open the mouth of the cave, and bring out those five kings unto me out of the cave.

This is what I found in the cave.

I mean fossils, cave paintings and so forth.

We lost it, when the cave collapsed. Sorry.

Skilful cave paintings representing men, goats and bees.

The boy knows the secret of our cave.

So, you live in this cave? How odd.