Yeah, it's hollow there.

Sounds hollow.

We know the symptoms.

I'll do it in a different color.

There's a slot for the mouth.

And that's going to keep happening.

It was a diamond cell structure was the point of departure.

So again, you can see the extension of this Great Wall of galaxies showing up here.

In Japan, also, deindustrialization is happening.

So the inside is going to be hollowed out.

Right, I'll have to do a report.

We're going to zoom in and zoom in.

It looks rather bird like because it is.

And I present to you a concept that these are extended neurological membranes.

Then he put his open palm over his face and withdrew it.

If I was doing this entire block it would be a cylinder.

They are not nearly as complex as hollow organs.

Look at the vertebrae, full of air sacs and hollows, like a bird.

On the left you can see a lava tube forming at a recent eruption Mount Etna in Sicily and this is the way these tubes form.

There's an open chamber about 20 meters in, behind the rock.

The Ballistics Expert in Fernando Coelho examines the damage

A cave?

And now it's approaching a third.

So the Baobabs, as they get older, tend to get pulpy in their centers and hollow out.

It's Ebora.

So, bladders are definitely a little bit more complex than the other structures.

The cave.

Strawberry.

Spelunking?

Shadows of the cave

It's about a gram.

We can now descend thousands of meters into the Earth with relative impunity.

Tooling sometimes has a habit of disappearing at inopportune moments

Inside of the bronze ball there's a lead weight that is free swinging on an axle that's on two bearings that pass in between, across it,

A cave of some sort, but I...

Cave escape!

Outside in the cave.

Into the cave!

For spelunking.

Search the cave!

Marco Polo and Cherokee Nation, they're eight microseconds behind all these guys going into the empty buildings being hollowed out up around the Carrier Hotel.

And you see this thing we call the Great Wall, and you see the complicated structure, and you see these voids.

Scene ill. A churchyard in it a Monument belonging to the Capulets.

And I think when you synthesize this research, you start with three key insights.

Aven Cave Surveying Tool