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

May 30, 2014

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

This entry was posted on May 30, 2014 at 8:06 pm and is filed under -.

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