Stretching an impressive 20km, Khe Ry Cave in Quang Binh Province''s
Phong Nha - Ke Bang Complex has been officially declared the world''s
longest river cave on Sunday.
The People''s Committee of the central province of
Quang Binh has approved an experimental adventure tour to Son Doong Cave
suggested by Howard Limbert, expert of the British Cave Research
Association.
Quang Binh hopes to develop tourism as a result of
the discovery of eight new caves in Phong Nha- Ke Bang National Park,
Deputy Chairman of the provincial People''s Committee Nguyen Van Ky has
said , Deputy Chairman of the People''s Committee.
