About a year ago I channel surfed onto this Nat Geo special about this amazing huge cave filled with astonishing gypsum crystals, some over 35 FEET long, dwarfing people exploring the cave. Here is a link to a Nat Geo page with clickable photos on the left.
http://news.nationalgeographic.com/news/2007/04/photogalleries/giant-crystals-cave/index.html
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