2x4 The Largest Cavern in the World -- Vietnam's Hang Son Doong Cave Episode overview
Fecha de emisión
Jun 26, 2014
The Son Doong Cave in Vietnam was recognized as the world's largest cave in 2010. The program presents amazing images from deep inside the cave filmed for the first time using high-definition cameras.
The Son Doong Cave in Vietnam was recognized as the world's largest cave in 2010. The program presents amazing images from deep inside the cave filmed for the first time using high-definition cameras.
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