Director of Phong Nha - Ke Bang National Park on May 7 said that cave explorers have made a survey and discovered an additional 39 new caves, which cover a total length of 17km, in the park.
The central province of Quang Binh in coordination with Vietnam Helicopter Corporation on April 24 launched helicopter tours of heritage sites and other tourist destinations in the locality.
A bus route to Phong Nha - Ke Bang National Park - World Heritage Site will open on April 26 by the Department of Transport of Quang Binh Province.