Beauty Of Nature Mountains Part : 3

in #nature7 years ago

Human beings venture into the highest
parts of our planet at their peril.

Some might think that
by climbing a great mountain

they have somehow conquered it,

but we can only be visitors here.

This is a frozen alien world.

This is the other extreme -

one of the lowest hottest places
on Earth.

It's over a hundred meters
below the level of the sea.

But here a mountain is in gestation.

Pools of sulphuric acid are indications

that deep underground
there are titanic stirrings.

This is the Danakil Depression
in Ethiopia,

lying within a colossal rent
of the earth's surface

where giant land masses
are pulling away from one another.

Lava rises to the surface
through this crack in the crust

creating a chain of young volcanoes.

This one, Erta Ale,

is today the longest continually
erupting volcano on the planet,

a lake of lava that has been
molten for over a hundred years.

These same volcanic forces
also created Ethiopia's highlands.

70 million years ago

this land was just as flat and as deep

as the Danakil Depression.

Molten lava rising
from the earth's core

forced up a huge dome
of rock 500 miles wide,

the roof of Africa.

Over millennia,
rain and ice carved the rock

into a landscape
of spires and canyons.

These summits, nearly 3 miles up,

are home to some very
remarkable mountaineers -

Gelada baboons.

They are unique
to the highlands of Ethiopia.

The cliffs where they sleep
are for expert climbers only,

and Gelado certainly have
the right equipment.

The strongest fingers
of any primate

and an utterly fearless disposition.

But you need more than a head
for heights to survive up here.

A day in a Gelado's life reveals
how they've risen to the challenge.

For all monkeys morning is grooming time,

a chance to catch up with friends.

But, unlike other monkeys,

Gelados chatter constantly
while they do it.

It's a great way to network
while your hands are busy.

But these socials can't go on
for too long.

Gelados have a busy daily schedule

and there's work to be done.

Most monkeys couldn't live up here.

There's no food
and few insects to feed on.

But Gelados are unique -

they're the only monkeys in the world
that live almost entirely on grass.

They live in the largest assemblies
formed by any monkeys.

Some groups are 800 strong

and they crop the high meadows
like herds of wildebeest.

The Gelados graze
alongside Walia ibex,

which are also unique
to these highlands.

These rare creatures
are usually very shy

but they drop their guard
when the Gelados are around.

You might expect that grazers
would avoid each other's patch

but this is a special alliance
from which both partners benefit.

It's not so risky
to put your head down

if others are on the lookout.

Ethiopian wolves -

they won't attempt an attack
in broad daylight.

But at dusk the plateau becomes
a more dangerous place.

With the grazing largely over

there's a last chance to socialize
before returning to the sleeping cliffs.

An early warning system
puts everyone on the alert.

Their day ends as it began,
safe on the steep cliffs.

The Ethiopian volcanoes are dormant,

but elsewhere others still rage.

Volcanoes form the backbone
of the longest mountain chain on our planet -

the Andes of South America.

This vast range stretches 5,000 miles
from the Equator down to the Antarctic.

It formed as the floor of the Pacific Ocean

slid beneath the South American
continent, buckling its edge.

At the southern end
stand the mountains of Patagonia.

It's high summer,

but the Andes have the most
unstable mountain weather on the planet

and storms can erupt without warning.

Temperatures plummet

and guanacos and their newborn young
must suddenly endure a blizzard.

Truly, all seasons in one day...

A puma -

the lion of the Andes.

Pumas are usually solitary and secretive.

To see a group walking boldly
in the open is extremely rare.

It's a family -
a mother with four cubs.

She has just one brief summer

in which to teach them
their mountain survival techniques.

Rearing four cubs to this age
is an exceptional feat,

but she does have
an excellent territory,

rich in food and water.

Although the cubs are now
as large as their mother,

they still rely
on her for their food.

It will be another year
before the cubs can hunt for themselves.

Without their mother's
skill and experience

they would never survive
their first winter.

Battered by hurricane force winds,

these slopes are now lifeless.

Further north,
they hold other dangers.

Moving at 250 miles an hour,

an avalanche destroys
everything in its path.

In the American Rockies

a 100,000 avalanches devastate
the slopes every winter.

This huge mountain chain
continues the great spine

that runs from Patagonia to Alaska.

The slopes of the Rockies,
bleak though they are,

provide a winter refuge
for some animals.

A mother grizzly emerges
from her den

after six months'
dozing underground.

Her two cubs follow her

and take their first steps
in the outside world.

These steep slopes provide
a sanctuary for the cubs.

A male bear would kill
and eat them given the chance.

But big animals find it difficult
to get about here.

Males may be twice
the size of a female

and even she
can have problems.

Her cubs, however,
make light of the snow

and of life in general.

But the mother faces a dilemma:

It's six months
since she last fed

and her milk is starting
to run dry.

She must soon leave the safety
of these nursery slopes

and lead her cubs away
from the mountain.

If she delays,
the whole family will risk starvation.

Summer reveals the true nature
of the Rockies.

Stripped of snow,

the peaks bear their sculpted forms.

Only now can mountaineers
reclaim the upper reaches.

Two miles up the crumbling precipices
seem devoid of life.

But there are animals here -

a grizzly bear.

It seems to be an odd creature
to find on these high rocky slopes.

It's hard to imagine
what could have attracted it here.

At this time of the year
bears should be fattening up for the winter.

Yet they gather in some numbers
on these apparently barren slopes.

They're searching
for a rather unusual food -

moths.

Millions have flown up here
to escape the heat of the lowlands

and they're now roosting
among the rocks.

Moths may seem
a meager meal for a bear,

but their bodies are rich in fat

and can make all the difference
in a bear's annual struggle for survival.

Another battle is being waged here

but on a much longer timescale.

These loose boulders are
the mountain's crumbling bones.

The Rockies are no longer rising

but slowly disintegrating.

All mountains everywhere are being
worn down by frost, snow and ice.

The Alps were raised
some 15 million years ago

as Africa, drifting northwards,
collided with the southern edge of Europe.

These spires are the eroded
remains of an ancient seabed

that once stretched
between the two continents.

But these are just
the Alpine foothills.

The range at its center
rises to 3 miles high

and is crowned
with permanent snows.

The Matterhorn,

its summit too steep
to hold a snow field.

Mont Blanc - the highest peak
in Western Europe.

The distinctive jagged shapes
of the Alps

were carved
by those great mountain sculptors -

the glaciers.

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1st Part : https://steemit.com/nature/@rezuanmollah/beauty-of-nature-mountains-part-1
2nd part : https://steemit.com/nature/@rezuanmollah/beauty-of-nature-mountains-part-2

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