James Cameron: ‘desolate, lunar landscape’ of Mariana Trench after record-breaking dive

All but a small amount of silt was washed away on his ascent back to the
surface.

But Mr Cameron nevertheless described his mission as a huge success — and the
start of what would be a series of journeys to explore the Mariana Trench,
which is larger than the Grand Canyon and as deep as Mount Everest is tall.

“It was very lunar, a very desolate place, very isolated,” he said.

“My feeling was one of complete isolation from all of humanity.

“I just sat there looking out the window … and appreciating it.

“It’s very different than kind of what you imagine. You have to go through it,
you have to really experience it.

“It’s really the sense of isolation, more than anything, realising how tiny
you are down in this big vast black unknown and unexplored place.”

Mr Cameron said that while everyone had been hoping to find “sea monsters”
below the surface, even he had been surprised at the barren nature of the
ocean’s depths.

“I didn’t see anything bigger than about an inch long,” he said. “I didn’t see
fish. The only free swimmers I saw were these amphipods, which are
shrimp-like.

“I didn’t feel like I got to a place where I could take interesting geology
samples or found anything interesting biologically.

“It was absolutely the most remote, isolated place on the planet. I really
feel like in one day I’ve been to another planet and come back.”

The specially-designed lime-green craft, called the Deepsea Challenger, was
designed to withstand the enormous pressure levels – the equivalent of eight
tonnes per square inch – at the bottom of the Challenger Deep, the deepest
part of the Mariana Trench.

It has a small passenger container, which heats up to above 100 degrees
Fahrenheit at the start of the dive due to the amount of electronics on
board, before the temperatures inside the capsule rapidly plunge to near
freezing as it enters deep waters.

Mr Cameron insisted he was not disappointed by the failure to capture samples.
“Every time you dive, you hope you’ll see something new some new species.
Sometimes the ocean gives you a gift, sometimes it doesn’t,” he said.

“But I call this dive just the first phase. We prove that the vehicle works,
and hopefully bring some real science back.”

Describing his experiences on the ocean floor, he said: “I landed on a very
soft, almost gelatinous flat plain. Once I got my bearings, I drove across
it for quite a distance … and finally worked my way up the slope.

“When I was in the New Britain Trench a couple weeks ago, the bottom was
covered in the tracks of small animals, which gave it an eggshell
appearance.

“But when I came to Challenger Deep, the bottom was completely featureless. I
had this idea that life would adapt to the deep … but I don’t think we’re
seeing that.”

“I see this as the beginning … of opening up this frontier to science and
really understanding these deep places.”

Recalling the experience of plunging into the deep, he added: “When you first
close the hatch, all these electronics are dumping heat into the sphere.

The Mariana Trench, the deepest point on Earth, is marked with a red ‘X’

“But as you start descending, the sub goes very fast. I’m screaming down, and
in just a few minutes I’m in water that’s 36 degrees Fahrenheit [2.2 degrees
Celsius].

“All of sudden my feet are freezing, the back of my head is freezing, but the
middle part of my body is still warm.

“Literally within a minute or two I’m out of sunlight, and you’re in total
darkness for most of this dive, so the sub gets very cold, and you have to
put on warm clothing. … The walls have condensation all over them and I’m
constantly getting dripped on by cold water.”

Mr Cameron also disclosed that delays to the start of the dive, caused by poor
weather conditions, meant that he might miss the London premier of Titanic
3D. “It was like the ocean presented me with a choice,” he said.

But he vowed that his continuing interest in sea exploration would not limit
his cinematic pursuits — he is due to begin filming Avatar Two and Avatar
Three soon.

Sir Richard Branson, the entrepreneur and adventurer who is planning his own
deep sea dive this year, congratulated the Canadian-born Mr Cameron.

He said: “What he has achieved is fantastic. Hundreds of people have now been
into space, but he is only the third person to go so deep below the ocean’s
surface.

“It’s a fantastic example of human endeavor and determination.”

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