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Vietnamese and American scientists have just announced a new species of fern discovered in the cave in Phong Nha - Ke Bang National Park (Quang Binh).

In the morning of August 1, Mr. Le Thanh Loi, Director of Phong Nha - Ke Bang Eco-Cultural Tourism Center (Quang Binh) said that cave experts have discovered a block of

Thien Duong cave, in the ecological restoration subdivision of Phong Nha and Ke Bang heritage (Quang Binh) has a record length of 31 km.

Photos of the rare beauty of Hang En cave of Phong Nha and Ke Bang cave system in Quang Binh province have been voted on top of the best photos in March by National Geographic

Department of Foreign Affairs of Quang Binh province said, the science report