Where is the world's largest known cave passage located?

in Mexico
in Norway
in Georgia
in Vietnam
Hang Sơn Đoòng is a solutional cave in Phong Nha-Kẻ Bàng National Park, Vietnam near the Laos-Vietnam border. Its total length is approx. 9 km and its main passage is the largest known in the world, being more than 5 km long, 200 m high and 150 m wide. It was discovered in 1991 and the first tourist group explored the cave in 2013.
Ninjai
0
Correct this question
3
Very interesting!
reach: rather globalAsiacavesgeographytourist attractionsVietnam

Answers by country

in Mexico
in Norway
in Georgia
in Vietnam
answers
flagIndia
21%
21%
14%
42%
14
flagItaly
11%
0%
47%
41%
17
flagGreece
50%
0%
14%
35%
14
flagPoland
32%
9%
28%
29%
1359
flagthe United States
43%
13%
17%
25%
51
flagGermany
37%
14%
28%
20%
35
flagAustralia
20%
13%
46%
20%
15
flagthe United Kingdom
35%
10%
39%
14%
28