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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?
Paradise Cave
Son Doong
Hang En
What type of rock formations are commonly found in Phong Nha cave?
Sandstone cliffs
Limestone karsts
Stalactites and Stalagmites
Which river flows through Phong Nha cave?
Mekong River
Red River
Son River
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