VietNamNet Bridge – The journey in Son Doong, the world's largest cave, taken by the Ambassadors of Argentina, Sweden, Italy, UK, Australia, and Czech Republic, Unesco in Vietnam and the US Assistant Secretary of State, ended successfully. All travelers commented that Son Doong cave is stunning and indescribable.

Photo from Ambassador Pham Sanh Chau's facebook.

All participants told reporters that the tour was a "unique" one in their lives, a special experience in a place with an unreal beauty.

They said they will promote the image of Son Doong cave to their friends, families and the world.

Walking out from Son Doong cave, where his cell phone could work again, Ambassador Pham Sanh Chau, who launched the idea of organizing this exploration tour for foreign ambassadors in Vietnam, wrote on his personal Facebook page that this was "an emotional journey".

“We wore traditional costumes, saluted the flags and sang the National Anthems at the deepest place under the ground ...,” he wrote.

Ambassador Pham Sanh Chau, Director of the Department of Cultural Relations and UNESCO of the Ministry of Foreign Affairs, hoped that, after this trip, Son Doong cave, Quang Binh tourism in particular and Vietnam in general will be promoted strongly worldwide. (Photo from Ambassador Pham Sanh Chau’s Facebook)

US Assistant Secretary of State Tom Malinowski said that  this was an amazing trip and thanked Quang Binh people and government for conserving Son Doong for future generations. He said tourists around the world will come to admire the beauty and popularity of Son Doong.

Here are exclusive photos of Oxalis Adventures of the journey to explore the world's largest cave made by Ambassador Pham Sanh Chau of Vietnam, six foreign ambassadors to Vietnam, the US Assistant Secretary of State, the runner-up of Miss Universe Vietnam Duong Truong Thien, provided by Nguyen Chau A, General Director of Oxalis, the only provider of Son Doong tours, to Dan Tri online newspaper:

Pha Le

Photo: Dan Tri/Oxalis Adventures