13th Annual Smithsonian Magazine Photo Contest Natural World
Son Doong Cave
A 5-day trek through Hang Son Doong, the largest cave in the world. Located in Phong Nha-Ke Bang National Park in the Quang Binh province of Central Vietnam
Photo Detail
| Date Taken: | 04.2015 |
| Date Uploaded: | 11.2015 |
| Photo Location: | Phong Nha, Vietnam |
| Copyright: | © matthias hauser |