Photo of the Day

A climber weaves through limestone pinnacles in the Tsingy de Bemaraha national park and reserve in Madagascar
September 9, 2022

Climbing Pinnacles

A climber weaves through limestone pinnacles in the Tsingy de Bemaraha nature reserve in Madagascar in an image captured for a story in the November 2009 issue. In the national language of Madagascar, the formations are called "tsingy," meaning "where one cannot walk barefoot."
Photograph by Stephen Alvarez, Nat Geo Image Collection

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