A group of 10 ambassadors are scheduled to take an excursion into Son Doong Cave, the world’s largest natural grotto in May this year. The upcoming trip was approved by Viet Nam’s Ministry of Foreign Affairs and the National Commission for UNESCO, and is…

Many tourists are willing to wait in long queues and pay higher for a trip to explore the beauty of Son Doong Cave inside the Phong Nha – Ke Bang National Park in the central province of Quang Binh, a local newspaper reported. The…