World’s largest cave in Vietnam to be introduced in 60 countries

British film makers will come to Vietnam in July 2011.
In its letter to Quang Binh authorities, BBC also emphasized its interest in the floral and fauna system in the forest in Son Doong cave.
With 200m wide, 6.5m long, over 150m high, Son Doong overcomes Deer cave in Malaysia’s Gunnung Mulu National Park to become the world’s largest cave in April 2009.
Son Doong has attracted the attention of many international new agencies, including National Geographic and Kyodo News.
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