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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.
Sơn Đoòng cave doline. During the 1990s, Hồ Khanh was living as a very poor man, trying to earn an honest living in Bố Trạch. During a jungle expedition to extract agarwood in 1991, Hồ Khanh reportedly discovered an enormous cave entrance, with a wide river flowing out of it. Without any rope or gear, Khanh did not venture further ...
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filming inside Vietnam's Hang son Doong Cave using twin drones to simultaneously illuminate and film the cave. [9] Rare species, behaviours and events captured on film for the first time included: the first footage of blue sharks feeding on a raft of flying fish eggs [10]
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, ...
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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 ...
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]