A bilingual photo book titled “Son Doong Cave – the Underground Paradise” by Ha Quoc Anh has been released by the Literature Publishing House.
The book is divided into two parts presenting the natural beauty of the world’s largest cave Son Doong, and the author’s unique and unforgettable experience of exploring the cave.
Son Doong cave located in Quang Binh Province’s Phong Nha Ke Bang National Park was recognized as a world natural heritage site by UNESCO .
Its largest chamber is more than 5km long, 200 m high and 150m wide.
The American Business Insider Magazine has noted Son Doong cave system in the province as one of the world’s 12 most impressive.
The Russian version of National Geographic Magazine said the tour to Son Doong was a top adventurous tour for 2014.
The world's largest cave has been also listed as one of the famous places in the world, which will become “hotspots” for visitors over the next two decades by The Huffington Post. The American online news aggregators and blogs described Son Doong cave as an interesting destination for a 7-day tour with discovery of underground rivers, caves and camping activities.