Quang Binh authorities have decided to open Tien (Fairy) 2 Cave to tourists from July. Photos credit: Oxalis Adventure/VnExpress
It is among 57 caves discovered between March and April this year.
The cave is around 2.5 km long, and 94 meters deep into the ground.
Most chambers are about 30m high and 60m deep.
Stalactites and stalagmites in different shapes.
A section up to 80m high inside the cave.
A rock wall with patterns that are unique among caves in the area.
The nearby Tien 1 Cave, which was temporarily closed, has been reopened for tourists recently.
According to Chua Me Dat, the sole tourism company that organizes expedition trips to the cave, there will be tours that last for two and four days.