The low is a thriving, massive life.

More than 1000 feet down.

We find a wall of life.

We gathered evidence of a unique ecosystem that deserves protection.

Antarctica, the most remote continent in the world encased in glacier, lies thousands of feet thick.

It's still largely unexplored, and we know even less about the icy seas that bring it a copy now machines air, making it possible for us to catch a glimpse.

Mini submarine is taking marine biologist Dr Susan Lockout down into the Antarctic.

Dean above is a land of frigid ice.

The low is a thriving massive life.

Oh, that's really pretty.

No light penetrates this deep plants can't grow.

These are all animals.

Then it was my turn to go down with pilot John.

We drop much deeper more than 1000 feet down.

We find a wall of life.

Sponges and corals see stars, feather stars, all thriving in complete darkness.

A robot arm captured samples.

Some of these species have never been filmed before.

They're threatened by an increase in fishing in the region.

We gathered evidence of a unique ecosystem that deserves protection.

No one can deny that this region needs protecting.

But what is the best way to do?

It is a line on a map.

Really gonna make much difference.

And who is gonna police anything out here?

The proposal to protect all these creatures and their world will be heard by the Antarctic nations in October.

Claire Marshall, BBC News The Antarctic Peninsula.