natural cave

Located in the hilly area of ​​Ziyun district in southern China, the giant Miao Room cave has a volume of 10.78 million m3, according to Long Room.

The explorer Howard Limbert, an expert in the British royal cave association, said the cave is located in the middle of En cave to the main entrance of Son Doong.

The Royal Expedition expedition in Quang Binh has discovered a cave more beautiful than Son Doong, the cave is considered the most spectacular in the world.

Son Doong Cave (Quang Binh Province) officially became the first and only landmark in the world today, which has been established by the World Records.