son doong

During ABC News's journey to discover Son Doong Cave, seven Phantom 3 drones were used.

Son Doong Cave - the largest cave in the world in Quang Binh province has been voted by BBC as one of the most beautiful caves in the world.

This set of photos is a powerful testament to the beauty of Vietnam in no way in any part of the world! So what are you waiting for you do not plan for Vietnamese travel tours in

BBC news agency has just written a request to the People's Committee of Quang Binh province, expressed its intention to get a film about the world's largest cave - Son Doong.

Department of Foreign Affairs of Quang Binh province said, the science report

The film crew of Japan's Kyodo went to Quang Binh yesterday to make a science film about Son Doong cave - the largest cave in the world.