Very cool NatGeo video about some enormous caves discovered in Vietnam around 2009. Author recounts his team's visit to the caves on video with
amazing picture show:
Patience with this video pays, as it can be a bit slow at times, but what incredible pics for those who wait! (or use fast forward.) Those waterfalls
and the amazing job they did lighting it all!
The Dutch gentleman talks about the Fido casts (spelling?) which remind me of Brain Coral, but this organism grows above the surface, absolutely
fascinating. SnF