Phong Nha-Ke Bang is a well-known wonders of Vietnam. It is located in Quang Binh. With many beautiful caves and cool waters in all seasons. Phong Nha-Ke Bang National Park was recognized by UNESCO as intangible cultural heritage of the world. It attracts a lot of tourists at home and abroad. If given the opportunity, you come to this place, it will be exactly what I said
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