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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 ...
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 ...
Despite all of our recent advancements in technology, the Hang Son Doong cave in Vietnam was not even encountered until 1991, millions of years after its creation.
Ruc Mon Cave, named after the indigenous people who made a home at the entrance until the 80s, was discovered in 2016 by a local man. The cave is 17 km in length, with one entrance in Phong Nha-Kẻ Bàng National Park and the other at the border of Laos. This cave has the potential to be the second biggest cave in the world, following the ...
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A complete mastodon jaw was discovered in the backyard of a home in New York's Hudson Valley, marking the state's first such find in more than a decade, officials announced this week.
Phong Nha holds several world cave records, as it has the longest underground river, as well as the largest caverns and passageways. [8] Following UNESCO listing of this park, the number of visitors to this province changed significantly. [23] Tourists mainly visit Phong Nha, Tien Son and Thiên Đường caves and Hang Én.