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Quiz: Who discovered world's largest cave Son Doong?

By Minh Nga   August 30, 2024 | 03:42 pm PT
Quiz: Who discovered world's largest cave Son Doong?
Son Doong Cave. Photo by Oxalis.
Son Doong has captured global attention for its immense size and stunning beauty. Its discovery happened accidentally, and was not by an expert.
 
 
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