tag:blogger.com,1999:blog-5278626342788425855.post6207829774285261322..comments2022-12-27T09:35:24.374+01:00Comments on The Overburden Blog: Where on Google Earth #503Ole Tjugenhttp://www.blogger.com/profile/12465157136272803838noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-5278626342788425855.post-52638140672726044072015-08-31T00:00:59.743+02:002015-08-31T00:00:59.743+02:00When I saw the disappearing river I knew this chal...When I saw the disappearing river I knew this challenge probably involved a large cave system. The vegetation clearly indicated a moist, tropical area. I remembered reading about a huge cave recently discovered in Vietnam, so I checked there first.<br /><br />WOGE 504 will also be a news-worthy spot. It is now posted at:<br />http://matthews-woge.blogspot.com/2015/08/woge-304.htmlMatthewhttps://www.blogger.com/profile/09615753082396788340noreply@blogger.comtag:blogger.com,1999:blog-5278626342788425855.post-54585107311783263962015-08-30T08:22:42.637+02:002015-08-30T08:22:42.637+02:00Over to you, Matthew!Over to you, Matthew!Ole Tjugenhttps://www.blogger.com/profile/12465157136272803838noreply@blogger.comtag:blogger.com,1999:blog-5278626342788425855.post-45125348973724165592015-08-30T03:33:13.341+02:002015-08-30T03:33:13.341+02:00Sơn Đoòng Cave, Vietnam
17° 27′ 25″ N, 106° 17′ 15...Sơn Đoòng Cave, Vietnam<br />17° 27′ 25″ N, 106° 17′ 15″ E<br />This is regarded as the world's largest cave by volume. Explored for the first time in 2009, it is over 5km long, has stalagmites up to 70m tall, a river, and a small rain forest growing in one of two large dolines. The geology of the area is limestone karst, and includes many other impressive caves. Phong Nha – Ke Bang National Park, which includes this area, is a World Heritage Site.Matthewhttps://www.blogger.com/profile/09615753082396788340noreply@blogger.com