Photo of the Day
a climber in an ice cave in Antarctica
October 21, 2012
Warren Cave, Antarctica
This Month in Photo of the Day: National Geographic Magazine Features
A mix of ropes and ladders eases access to Warren Cave, a labyrinth of passages melted from the ice by the volcano's heat. Small currents of air probably cause the scalloping around the cave's entrance.
See more pictures from the July 2012 feature story "Mount Erebus."
See pictures of Antarctica landscapes »
See pictures of volcanoes in action »
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