Register & Login account by PNKB
Phong Nha's grottos were voted by Wanderlust magazine as one of the most incredible caves. Wanderlust magazine’s criteria is the special...
Phong Nha’s grottos have been recognized as one of the world’s most beautiful wonders by British Caving Association for its distinct possession of the longest underground rivers, the highest and widest grottoes, the most beautiful sand and reefs, the most beautiful stalaclites and stalagmites, the widest drycave, the most beautiful and deepest underground lakes and the longest river cave./.