Follow-up on the NGS Film: Mystery Caves Of Guangxi
http://www.youtube.com/watch?v=wiYn-DeQjL8 For additional maps, cross-sections, and photographs of the spectacular Leye Karst, including Mawangdong Cave, Bandong Tienkeng, and the through-cave photographed in this movie, see page 3 of the Leye-Fengshan Geopark, Sanmenhai Karst Tourguide http://www.naturalarches.org/files/LeyeFengshanGeoparkChina.pdf Cavers will find this additional data interesting. Videographers will better appreciate the skill of those manning the camera and doing the editing. At the time this film was shot, the Leye-Fengshan Geopark was well-developed for tourism. It must have been a real challenge NOT to show more of the tourist trails, stairs, guardrails, roads, and other developments in the finished film. It also appears that the ("mysterious") origin of the huge collapse dolines featured in the film was well explained in English-language interpretive signs and brochures to be read by visitors (including the National Geographic Explorers) at the time they visited the caves and shot the film. FYI: The National Geographic Channel (NGC) is jointly owned by Fox Cable Networks and National Geographic Television & Film. They are acknowledged as producing documentaries with factual content and "pseudo-scientific entertainment programming" on NGC (Wikipedia). This film appears to be a documentary enhanced with exaggerated mystery and danger. My contacts in China point out that the video is providing lots of publicity for the Leye-Fengshan Geopark, which is likely to make it easier (but probably more expensive) for future expeditions to get permission to cave in those areas. DirtDoc
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