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Pumice on the slope of Puyehue Volcano, with volcanoes Osorno and Puntiagudo at the horizon

File: Stein1.jpg

Title: Pumice on the slope of Puyehue Volcano, with volcanoes Osorno and Puntiagudo at the horizon

Pumice on the slope of Puyehue Volcano, with volcanoes Osorno and Puntiagudo at the horizon

Credit: Gerhard Hüdepohl / atacamaphoto