Phong Nha-Ke Bang es national parke in Quang Binh, Vietnam, 50 km nord Đồng Hới, 450 km sud Hanoi. Li parke ha plu kam 300 kavus e grotes kun total longeso de 126 km. The park also has biodiversity. In julie 2003, UNESCO inklused disi parke in sen heredati lokes del monde.[1][2] In aprile 2009, britani exploreres deskovrad hir li maxim grandi kavu del monde.[3]

Tiên Sơn kavu in Phong Nha-Ke Bang
  1. UNESCO
  2. New Lizard Species Found In Phong Nha-Ke Bang
  3. https://web.archive.org/web/20090426043332/http://www.vietnewsonline.vn/News/Society/5914/Explorers-find-worlds-largest-cave-in-Vietnam.htm Exploreres trova li maxim grandi kavu del monde in Vietnam (anglim)