Photo Son Doong is as beautiful as a fairy in English newspapers

Photographer Urs Zihlmann has a 5-day trip in Son Doong, the largest cave in the world located in Quang Binh.

Picture 1 of Photo Son Doong is as beautiful as a fairy in English newspapers
Great photos posted in the Daily Mail let readers see the world's largest cave in Vietnam.

Picture 2 of Photo Son Doong is as beautiful as a fairy in English newspapers
With mysterious green light in a beautiful space like fairy, Son Doong cave is like another world.In the photo, the tents were set up for guests to spend the night.

Picture 3 of Photo Son Doong is as beautiful as a fairy in English newspapers
Tourists admire this spectacular cave.To get here, they had to walk half a day, through the beautiful forest full of butterflies.

Picture 4 of Photo Son Doong is as beautiful as a fairy in English newspapers
Photographer Urs Zihlmann took these photos during a 5-day trip to explore Son Doong Cave in Phong Nha - Ke Bang National Park, Quang Binh, Central Vietnam.

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Each year, only about 450 visitors are allowed to enter the cave under the guidance of experts.This ensures a sustainable future for the cave.

Picture 6 of Photo Son Doong is as beautiful as a fairy in English newspapers
Tourists go through huge, dark and slippery caves.Zihlmann said that inside the cave was like "not on this earth".

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Compared to the huge size of the cave, the discoverers looked small.Zihlmann joined this wonderful trip at the end of April.

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To get down to the cave, Zihlmann had to cross the 80 m high cliff with ropes and guards.