Son Doong cave belongs to Phong Nha - Ke Bang cave complex, located in Son Trach commune, Bo Trach district, Quang Binh province in Vietnam. So far, this is considered to be the largest natural cave ever discovered in the world.
1.Son Doong Cave was discovered because ... it was raining
Son Doong cave was discovered by a farmer named Kh Khanh in 1991. According to Ho Khanh, he was working in the forest.
In one go to work he encountered a large rain forest, afraid of flash flood, Ho Khanh decided to find shelter. Incidentally, he had been staying in the rain ... right at Son Doong cave.
2.Hang Doong Hang is missing in ... 15 years
At the time of discovering Son Doong Cave, Ho Khanh was unaware of the value of the cave. Shortly after that trip, he quit looking for bass and returned to farming.
For the next 15 years, the remains of this cave are still in the dark. It was not until 2006, when an expedition of the Royal Society arrived to find the new cave in Phong Nha - Ke Bang, Khanh told his story to tell them. It is also the journey to find the cave in the old days began.
3.Son Doong Cave is not shown on ... Google Earth
However, the trip to find the old cave was not completely successful. All that Khanh's memory is a large cave, the wind blowing 24/24 hours.
Even with the help of state-of-the-art scientific equipment and Google Earth software, the expedition still can not find the Son Doong cave. It was not until 2009 that Ho Khanh officially found the old cave.
4.Hang Do Son "overcharge" became a parking lot
According to the geologists, Son Doong cave was formed about 2-5 million years ago, when river water flowed across the limestone area buried along a fault line. The water erodes the dish and creates a huge tunnel like today.
The size of the Son Doong cave is very large with a length of at least 5 km, equivalent to the capacity of about 68 Boeing 777 aircraft.
Even so, this figure could be greater because, according to scientists, the most modern means today have not yet discovered the true length of the cave.
5.Son Doong Cave is called "Great Wall of Vietnam"
In Son Doong cave, the experts discovered the location is very large. A photo taken by photographer Carten Peter in May 2010 recorded a 91.44m wide cave and a nearly 243.84m arch - completely tucked into a 40-storey building in New York.
The National Geographic page even compares that to the level of 25 double-decker buses.
The majestic and magnificent landscape of the Son Doong cave made it the world's best known "The Great Wall of Viet Nam" ("Great Wall of Vietnam"), like "The Great Wall of China "Is the Great Wall of China.
6.In Son Doong cave, visitors can find ... "Eden" for their own
Not only famous for its enormous size but Son Doong cave is also known by the diversity in the landscape of life.
In the Do Son Cave, the explorers discovered a primitive forest with rich vegetation, no trace of humans. Experts have even called the forest in this cave a "garden of Eden" to honor this gorgeous beauty.
7.Son Doong Hang owned "pearl" to ... baseball
Another special point of Son Doong cave, which is the stalactite system and "pearl" giant cave. Over the millions of years under the influence of external forces, Son Doong owns columns of stone as high as 70m.
In addition, the cave "pearl" (jade pearls wrapped in a sea-like pearl, the major component of calcite) is the largest in the world in Son Doong.
Normally, these "pearls" are only about 1cm in diameter, but in Son Doong they are as big as a baseball.
8.Sơn Doong cave attracts the supermodel to conquer
With its beauty, Son Doong cave attracts many tourists with 98% foreigners. Among them are three generations of conquerors, and even supermodels such as Jasmina Mala (Czech) and Prince Ahmed Hamdan (from Abu Dhabi) have also explored the caves. the largest in the world in Vietnam.
source: khoahoc.tv