ngm.nationalgeographic.com — Cavers in Mexico confront extreme conditions and find extraordinary beauty. Jan 21, 2010 View in Crawl 4
tbbucsJan 21, 2010
You're right. If the military doesn't get AC, nobody should./s
jsroachJan 21, 2010
About 600,000 years for these to form, right? But the earth is only 6000 years old. No no no, this just doesn't add up at all.
trevorbradleyJan 21, 2010
These caves were just featured in Iain Stewart's new geography documentary "How Earth Made Us", which aired on BBC just a few days ago. Iain's documentaries have a flair for the dramatic, but generally they're worth a watch.
commodorecrunchJan 22, 2010
"No style at all."
milkmageJan 22, 2010
humidity will kill you. 120 in the desert is like 85 in the jungle.
gecko23Jan 22, 2010
If you can't get to a Windows computer, just look at some of the external links at this Wikipedia article about the cave. <a class="user" href="http://en.wikipedia.org/wiki/Cave_of_Crystals" rel="nofollow">http://en.wikipedia.org/wiki/Cave_of_Crystals</a>
101melodyJan 23, 2010
I expect better manners from my guests
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tbbucsJan 21, 2010
You're right. If the military doesn't get AC, nobody should./s
jsroachJan 21, 2010
About 600,000 years for these to form, right? But the earth is only 6000 years old. No no no, this just doesn't add up at all.
trevorbradleyJan 21, 2010
These caves were just featured in Iain Stewart's new geography documentary "How Earth Made Us", which aired on BBC just a few days ago. Iain's documentaries have a flair for the dramatic, but generally they're worth a watch.
commodorecrunchJan 22, 2010
"No style at all."
milkmageJan 22, 2010
humidity will kill you. 120 in the desert is like 85 in the jungle.
gecko23Jan 22, 2010
If you can't get to a Windows computer, just look at some of the external links at this Wikipedia article about the cave. <a class="user" href="http://en.wikipedia.org/wiki/Cave_of_Crystals" rel="nofollow">http://en.wikipedia.org/wiki/Cave_of_Crystals</a>
101melodyJan 23, 2010
I expect better manners from my guests