A majestic and stunning scenery in the Son Doong cave will exceed your imagination and artists’ creation Recognized as the largest natural cave in the world,..

1. 5 interesting things in the world largest cave - Son Doong
A majestic and stunning scenery in the Son Doong cave will exceed your imagination and
artists’ creation
Recognized as the largest natural cave in the world, Son Doong in Quang Binh contains many
secrets which scientists have not decoded. This is also an interesting site which foreign
tourists are happy to pay a price of $3000 to visit, but have to wait until 2016 as the tour is
full to at that time.
1. Found in the rainy day
In 1991, Ho Khanh – a local man incidentally discovered Son Doong cave when he was
avoiding rain in the cave. Not until 2009, did the expedition of British Royal Geographic
Society come to discover and at that time Ho Khanh announced them about the cave.
It must be difficult to recall the cave location which is situated deeply in the jungle with steep
terrain and cannot be found on Google Earth. Thank to his guidance, the expedition went deep
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2. into the cave to take photos, survey and collect scientific data. Ho Khang said “when entering
though the gate, I can find clearly the cool breeze blowing from inside the cave…”
2. Fit a 40 storey building
Son Doong cave is 150 m wide, 200m high, and at least 5 km long. The actual length of the
cave may be even longer than the report of scientists. However, the expedition of British
Royal Geographic Society could not go to the end of cave due to technical limitations.
Therefore, with reported dimensions, Son Doong cave has passed Deer cave in Gunung Mulu
National Park in Malaysia (120 m high, 150 m wide, 2 km long) to be recognized as the
largest natural cave in the world .
Besides, some segments inside the cave have a size of 140mx140m including 14m high
stalactite pillars. Photographer – Carten Peter took a photo of the cave to show the width and
the height of cave which are 91.44m and 243.84m respectively. This means the cave can store
a 40 storey building.
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3. 3. Formed 5 million years ago.
According to the science documents, Son Doong cave was formed when a river running
through the limestone area buried along a fault line. Over millions of years, due to water
erosion, a giant tunnel was formed under the mountain range. At the soft rock points, the
ceiling was collapsed forming holes which shaped a giant dome long time later.
erosion and water currents create a giant tunnel in the ground below the mountains. In areas
where soft rock, forming part of the ceiling collapsed holes, hang long into giant domes.
4. A rich animal world
Because the cave ceiling was collapsed many centuries ago, thus there are a green jungle in
the cave which is name Eden by explorers. The jungle is the inhabitance of monkeys, bats
flying foxes. There are many types of ferns, palms, vines covering from outside to inside the
cave.
The ancient lakes, waterfalls, rivers inside the cave formed rich Algal Mats and Flora
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4. In particular, the explorers also discovered species of pearls which were formed in the
process of dripping water to create calcite on the sand crystals.
5. Why control number of tourists to Son Doong?
Tourists to Son Doong need to be restrict because of landscape and environmental protection
factors. Until now, the secrets of animals world inside the cave have not totally decoded.
Therefore, Son Doong cave would welcome explores and scientists researching biology rather
than tourists traveling here for their curiosity.
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