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Formed in Carboniferous/Permian limestone, the main Sơn Đoòng cave passage is the largest known cave passage in the world by volume – 3.84 × 10 7 m 3 (1.36 × 10 9 cu ft), according to BCRA expedition leader Howard Limbert. It is more than 5 kilometres (3.1 mi) long, 200 metres (660 ft) high and 150 metres (490 ft) wide.
Phong Nha-Kẻ Bàng is noted for its cave and grotto systems as it is composed of 300 caves and grottos. A 2009 survey brought the total discovered length of the cave system to about 126 km, [4] with many areas still not well explored.
The world's largest cave is so big that a Boeing 747 could fly through its largest cavern unscathed. ... the Hang Son Doong cave in Vietnam was not even encountered until 1991, ...
The largest passage ever discovered is in the Son Doong Cave in Phong Nha-Kẻ Bàng National Park in Quảng Bình Province, Vietnam. It is 4.6 km (2.9 mi) in length, 80 m (260 ft) high and wide over most of its length, but over 140 m (460 ft) high and wide for part of its length. [21]
Hang Son Doong, which translates as ‘mountain river cave’ is the largest cave passage in the world […] Vietnam’s Eighth Wonder of the World Revealed in ‘A Crack in the Mountain’: Watch ...
It could fit a Manhattan city block complete with 40-story skyscrapers and has its own weather system that creates misty clouds hanging lowly overhead.
The biggest chamber of Son Doong is over five kilometers in length, 200 meters high and 150 meters wide. It was created 2-5 million years ago by river water eroding ...
It took the crew two days of trekking through the jungle, carrying provisions and gear, to reach Vietnam's enormous Hang Son Doong cave. 'Planet Earth' reminds us: 'There's so much left in the ...