Photo of the Day

A climber navigating sharp pinnacles of limestone in Madagascar
May 16, 2012

Tsingy Climbing, Madagascar

This Month in Photo of the Day: Adventure and Exploration Photos

Climber John "Razor Sharp" Benson weaves through skin-ripping pinnacles. In Malagasy, the formations are called tsingy, meaning "where one cannot walk barefoot." The terrain resists intrusions from hunters, hungry cattle, and wildfires.

See more pictures from the November 2009 feature story "Living on a Razor's Edge."

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Photograph by Stephen Alvarez, National Geographic
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