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cango caves

EXTREME ENVIRONMENT
by

neeku amanat

on 8 October 2010

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Transcript of cango caves

Cango Caves
Caves are the least explored places on Earth.
There is no light and no plants.
It is quite easy to get lost in the Cango Caves
because of how complex they are.
You need training, gear companions, food and water
, comfortable footwear and light clothing to survive.
The Cango Caves are an extreme enviroment
because of all these dangers: steepdrops,
misjudging distances and bat droppings
which releases ammonia which causes death.
The shapes in the caves are
mainly composed of calcium carbonate.
Are located in South Africa at the foothills of the
Swartberg mountains.
Some of the features in the caves are 15,000 years old!
In 1983 the caves were declared a national
monument!
The temperature is 18 c (67 f ) the caves are usually warm and very humid.
The caves contain elevated levels of CO2.
Cango caves are a series of dripstone caverns.
All together the Cango Caves stretch out to about 4km.
For thousands of years the caves remained unknown
until a local farmer named Jacobus Van Zyl first explored the caves in the 1770s.
There are many different parts and chambers.
They are South Africa's oldest tourist attraction.
The caves are one of the biggest stalagmite formations on Earth.
They were formed 20 million years ago.
They are world's finest stalactite cave.
Credits:
www.nomadik.com
www.worldbookonline.com
google
google images
www.wikipedia.com
www.sa-venues.com
www.encounter.ca
www.drakensberg-tourism.com
www.cango-caves.co.za
www.showcaves.com
www.southafrica-travel.net
www.exploresouthafrica.com
www.capetown-direct.com
www.Buzzle.com
www.enchantedlearning.com
They are basicly natural voids underground.
All together caves cover 10% of the Earth.
Cango caves should be known as the 8th wonder of the world.
Cango caves were formed like most other caves,
a dissolution of limestone, which is actually a chemical reaction.
There are 3 sections in
a cave: the entrance
zone, the twilight zone
and the dark zone.
Animals that live in the entrance zone
are:
Spiders,
Beetles,
Snakes,
And other small rodents seeking
shelther.
Animals that live in the twilight zone
are:
Cave crickets,
And cave beetles.
Animals that live in the dark zone are:
Blind crayfish,
Bats,
And eyeless shrimp,
The Cango Caves have been known to man since the early stone age.
Air pressure is always changing in a cave.
Thanks for watching!!!!! :)
Full transcript