National Park Phong Nha - Ke Bang National Park is located in the district of Quang Ninh, Bo Trach, Tuyen Hoa and Minh Hoa (Quang Binh) with an area of about 200,000 ha. Phong Nha - Ke Bang is like a giant geological museum large-value and global significance. The important tectonic phase and phase fault movement, coordination platform, folding of the earth's crust from 400 million years ago, making the rolling mountains and the sedimentary basin subsidence was. Besides, Phong Nha - Ke Bang is also endowed with a majestic cave system of limestone mountains. Here, in April 2009, the expedition of British Caving Association discovered Son Doong cave and announced that the world's largest cave (200m high, 150m wide, at least 8.5 kilometers) . National Park Phong Nha - Ke Bang also systematically varied flora and fauna, of which there are many rare species in the Red Data Book of Vietnam and the World Red Book.
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