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