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To reach the cave, visitors have to go through a long way of forest with high mountains (Photo: VNA)

 

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Inside the cave (Photo: VNA)

 

 

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The cave is covered with a plenty of stalactites (Photo: VNA)

 

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Stalactites with strange shapes (Photo: VNA)

 

 

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Visitors admire stalactites in Tra Tu cave (Photo: VNA)

 

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Visitors admire stalactites in Tra Tu cave (Photo: VNA)

 

 

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An ancient writing found in the cave (Photo: VNA)