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Phong Nha Cave Quiz
Test your knowledge about Phong Nha cave and its geological significance with this quiz.
What is the largest cave in Phong Nha?
Son Doong
Paradise Cave
Hang En
What type of rock formations are commonly found in Phong Nha cave?
Limestone karsts
Stalactites and Stalagmites
Sandstone cliffs
Which river flows through Phong Nha cave?
Mekong River
Son River
Red River
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