VOV.VN - Experts from the British Royal Caves Association (BCRA) have found an additional 22 new caves with a total length of more than 11.7 kilometres, announced the Management Board of Phong Nha – Ke Bang National Park.

VOV.VN - Five new caves where humans have never set foot were recently discovered in Lam Hoa commune of Tuyen Hoa district in the central province of Quang Binh by experts of the British Royal Cave Association.