CaliforniaMama • Feb 28, 2012 7:55 am

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[SIZE="2"]Madagascar
Decken's sifakas appear right at home in their karst home in western Madagascar. These lemurs live among the unusual pinnacles of the Tsingy de Bemaraha, which started to form 1.8 million years ago as groundwater dissolved and shaped the porous limestone.[/SIZE]
[SIZE="1"]From the National Geographic book Visions of Earth
Photograph by Stephen Alvarez[/FONT][/SIZE]