“Even those who have conquered Mount Everest say that discovering Son Doong cave is the…
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son doong
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Only 1,000 visitors are allowed to explore the cave a year for environmental reasons, and the tour is available only between January and August.
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BusinessEnterprise
Son Doong tours in 2022 are already fully booked as Vietnam fully opens the sky for international visitors
by Dung DuongSince other countries in the region have resumed international tourism, Vietnam will face severe competition
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