In the first half of this year, only 160 visitors visited the world’s largest cave, Son Doong cave (Quang Binh), located in the heart of Phong Nha – Ke Bang National Park( phong nha cave), a World Natural heritage site.

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Managers said the figure is still modest in comparison with visitors’ demand, however it generated a revenue of nearly 10 billion VND for central Quang Binh province.

Sondoong cave

Many people who have booked the tour, which is sold online only, said they are still waiting for their turn to explore the cave, which is described as the largest in the world.

According to Mr. Nguyen Van Ky, vice director of the Quang Binh Department of Culture, Sport and Tourism, revealed that only four trips, each having eight people, were organised a month as the tour is still on a trial basis.

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The province plans to review the tour’s efficiency, including its cost, in August this year in a bid to make the optimal plans for future exploratory activities. During the trial period, each seven-day-and-six-night tour costs a visitor 3,000 USD.

Son Doong cave was created 2-5 million years ago by river water eroding away the limestone underneath the mountain. It is estimated to be 200 metres in width and at least 150 metres in height, enough space to house 40-storey skyscraper within its walls.