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Burkhard Bilger: The Dark and Dangerous World of Extreme Cavers : The New Yorker

In deep: The dark and dangerous world of extreme #cavers. Ultimate superlight gear & max calories burned per hour.
http://www.newyorker.com/reporting/2014/04/21/140421fa_fact_bilger

BY BURKHARD BILGER

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This entry was posted on Friday, May 30th, 2014 at 8:06 pm and is filed under -, Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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