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00:58:16
Sigourney Weaver, David Attenborough
27
that descending on foot past the crevass is too risky.
Mountain viscacha, are up early to claim the best places
Giant heathers, lobelias and groundsel grow on its upper slopes.
I'm Aaron Durogati and I'm a professional paraglider pilot.
And to prevent crunching footstep from revealing his presence,
An avalanche, 100,000 tonn of snow
Giant heathers, lobelia and groundsel grow on its upper slopes.
ATTENBOROUGH: Aaron believes that to fly like a bird,
...turning the mountainside into a garden of ice.
But rocky peaks, which to us, perhaps, seem a symbol of permanence,
human encroachment is changing even the highest summits.
cameraman, Barrie Britton is setting out early on a more cautious quest
only a peregrine is faster.
Other scavenger must defer.
an adult can put on 180 kilo, gorging on plants.
This bobcat
For the moment, she's won the carcass back.
Some itch just have to be scratched.
It's her cub, taking her first steps towards adulthood and independence.
will survive the peril of the mountain winter.
It's a tough 3,000-metre ascent for Aaron and his wingman, Armin,
this is the highest flamingo colony in the world.
of the presence and the movements of their neighbour
Barry reposition his hide to keep watch.
With the males gone, the female is at last reunite with her cub.
But she has been injure.
now all descend to the valleys,
She has devote the last two years to raising her cub,
They all thrive in the tropical sun.
Lethally cold, scar by gales and blizzards,
And in the Andes, some glaciers have shrunk
As they rub, each leaves an individual and recognisable scent.
Until her injury heal, she won't be able to hunt.
And when spring comes, they emerge.
So cold, that moisture in the air freeze into tiny crystals
and any male that smell her signature will know that.
As the snow line retreat further and further up these peaks,
Some itches just have to be scratch.
The fox has them trap, or so it seems.
Her mother has succeed in raising her,
Mountain animals survive on the very edge of existence.
high on a ridge, a remote camera was trigger.
that shield their vulnerable central bud.
Another bigger male has arrive.
Red foxes lie in wait.
Aaron decide it's safer to fly, but it will be a bumpy ride.
Lethally cold, scarred by gales and blizzards,
Snow leopards meet so infrequently that there is uncertainty and tension.
They are notoriously difficult birds to film.
that this slope is still dangerously unstable.
Itches satisfactorily scratched,
Thankfully, they make it down in one piece.
It's winter, and food is desperately short.
Seldom seen.
Nonetheless, they are well aware
Out on the lake, there is nowhere to hide.
ATTENBOROUGH: Wearing a specially designed helmet camera,
which is pretty hard because they are basically like,
Aaron and Armin are forced to overnight in the summit shelter,
Aaron must turn his head regularly to check his glider,
scanning the slopes for something, somewhere, to eat.
Eventually, the sun thins the ice.
And it certainly can't follow them up here.
and she will spend nearly all of it, alone.
She lets the males know exactly where she is.
she's no longer limping but she's now alone.
Some trees, it seems, are particularly suitable for rubbing.
Perhaps he'll have more luck on the other side.
Following the adults, the kids finally reach the valley.
Mastering precipitous terrain is always challenging,
As they rub, each leaves an individual and recognisable scent.
Yet, Nubian ibex have made this their home.
ATTENBOROUGH: Eight sedentary hours later,
BARRY: That's one terrifying bird there.
grizzly bears make their winter dens up to 1 0,000 feet up
But the weather up here is unpredictable,
I think it's going to be a fairly restless night for me as well.
cameraman, Barrie Britton is setting out early on a more cautious quest
there is very little protection from ultraviolet radiation.
By mid-day, uncovered human skin will burn in four minutes.
It's fed by a volcanic hot spring that heats these waters
and the rewards for the effort can be disappointing.
Walking on thin ice is always risky.
the flamingos perform these peculiar courtship dances
are more fragile than they appear.
but they are still so dizzyingly steep
A fight is inevitable.
And while they were half asleep in the depths of winter,
They're so eager, they don't even pause to feed.
that this slope is still dangerously unstable.
among the savage beauty of the world's highest mountains.
And they are annoyingly persistent.