Jan 23, 2014 07:07 PM EST
Son Doong cave is world's largest cave, located in Quang Binh province, Vietnam. It is found by a local man named Ho Khanh in 1991 and was recently discovered in 2009 by British cavers, led by Howard Limbert. The name "Son Doong" cave means "mountain river cave". Here are 54 beautiful photos of this majestic place.
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