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
TAGS: Vietnam
| Copyright: |
© matthias hauser.
All rights reserved. |
| Image Source: | digital |
| Date Taken: | 04.2015 |
| Total Views: | 125 |
| Filed Under: | Natural World |
| Date Uploaded: | Nov. 29, 2015, 11:28 a.m. |
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