<p>A diver watches an emperor penguin as it swims nearby. The brown patches above are microalgae, which cling to sea ice and photosynthesize in the spring.</p>

A diver watches an emperor penguin as it swims nearby. The brown patches above are microalgae, which cling to sea ice and photosynthesize in the spring.

Photograph by Laurent Ballesta

Pictures: Mysterious Deep-Sea Life Below Antarctica

In the deepest dive ever beneath Antarctic ice, thriving plants and animals are captured on camera.

In an expedition unlike any other, National Geographic photographer Laurent Ballesta took a cold, harsh plunge below the sea ice in the deepest dive ever under Antarctica.

In October 2015, the beginning of spring in the southern hemisphere, Ballesta joined a small team for a 36-day excursion beginning at the Dumont d’Urville, the French scientific base on the Adélie Coast of East Antarctica. The trek took place as ice began to break up, allowing Ballesta and his team to break through 10-foot-thick ice and dive down as deep as 230 feet.

Ballesta, who’s worked for decades as a deep-diving photographer, previously dived to 400 feet off South Africa to photograph rare coelacanths, and in French Polynesia, he dived for 24

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

'World’s worst shipwreck' was bloodier than we thought
World’s first ultrasounds of wild manta rays reveal a troubling truth
Titanic was found during secret Cold War Navy mission

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet