Inside Phong Nha-Ke Bang National Park
VOV.VN - Phong Nha-Ke Bang National Park in Bo Trach District, Quang Binh Province consists of 300 caves and grottos. It is divided into three main systems including Phong Nha Grotto, Vom Cave and Ruc Mon Cave.
 |
| Phong Nha-Ke Bang is considered a huge geological museum. It has complicated geological structure with different categories of stone including sandstone, quartz, schist, siliceous limestone, granite, granodiorite, diorite, applet, pegmatite, etc. |
 |
|
It was formed 400 million years ago. |
 |
 |
 |
 |
 |
 |
 |
|
In late May this year, a photo tour was launched by Vietnam Heritage Magazine for photographers to discover Phong Nha-Ke Bang National Park. |
 |
|
The wild beauty of Phong Nha-Ke Bang National Park attracts photographers. |
 |
 |
