VOV.VN - A large-scale cave expedition in Phong Nha–Ke Bang National Park (central Vietnam) has identified 26 previously unknown caves along with rare geological formations, reinforcing the area’s status as one of the world’s most significant karst regions.

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 - All 1,000 exclusive adventure tours taking visitors into the world’s largest cave of Son Doong in central Quang Binh province have been fully booked for the year ahead, according to Tourist Company Oxalis Adventure Tours.

The Oxalis Adventures has recently pointed out 10 reasons why Son Doong Cave is one of the world’s great wonders that any travelers should visit once among their lifetime.