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World's Largest Cave to Open for First Public Tours
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SEPTEMBER 11, 2013
Adrienne Berard, Fox News

When a local man discovered the entrance to Vietnam’s Son Doong cave in 1991, it appeared infinite. He feared the giant precipice that descended nearly 300 feet below him. For 18 more years, the cave remained unexplored. Then, in 2009, two British cavers dropped into Son Doong and discovered the largest cave on Earth.
The Son Doong is over 5.5 miles long and could fit a 40-story skyscraper within its walls. It contains giant stalactites, waterfalls and a jungle that is known as the Garden of Edam with native animals like flying foxes, monkeys and hornbills thriving inside the cavern’s lush landscape.
Now, for the first time in history, the cave will be open to the public. A tour company called Oxalis is running trial tours of the cave and accepting sign-ups for real six-day tours to take place next year.
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