Quang Binh - a coastal province in northern Central Viet Nam. This land is located quite "narrow" waist line right "S" of Vietnam, from landmark to landmark extreme easternmost West a mere 40.3 km. It is also in favor of a special nature, bestowed the unique masterpiece. No other Quang Binh where you can find the cave system of the world's most giant; the cave was, again hidden in the vast jungles of the Phong Nha-Ke Bang, to paint a picture painted marine mysterious. Longer delay without also discover how you?